The vesicle joins the lysosome organelle when a phagocytic white blood cell consumes a foreign bacterial cell.
Endocytosis, the process by which cells take up macromolecules and other particulate materials, is the first step on the pathways that lead from the cell surface to lysosomes. An endocytic vesicle holding the substance or particle being eaten is formed when a little section of the plasma membrane pinches off and gradually encloses the material to be ingested. The size of the endocytic vesicles produced allows us to distinguish between two primary forms of endocytosis. Phagocytosis is one form, and it entails the swallowing of big particles like dead cells or microbes through big vesicles called phagosomes. The other form is pinocytosis, in which fluids and solutes are ingested by means of tiny pinocytic vesicles.
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How does gravity play a role in moving water in the water cycle?
Answer using complete sentences.
You must use the following words in your explanation: gravity, mountains, hills, ocean,
precipitation, rain
please help me! brainliest will be marked if you do!
gravity play a role in moving water in the water cycle by pulling water down during precipitation.
Gravity is the pulling force of an object that has weight or mass towards the center of the earth. Water that descends to the earth through the process of precipitation in the form of rain flows into rivers or onto the ground surface and moves down to the ground surface to the water system.
The process of falling rainwater from above into the ground because it is pulled by the force of gravity and is influenced by the capillary force of the soil. Gravity makes the water in the mountains and hills flow down the river to flow into the ocean. Then the water in the oceans will evaporate and become water vapor in the atmosphere. This long event is the water cycle.
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Give two ways in which the composition of blood changes as it flows through the vessels labeled X on the diagram.
In the diagram, the lungs are labeled as X. Hence, oxygen gets mixed and carbon dioxide eliminates from the blood.
What are blood and its composition?A specific type of bodily fluid is blood. Plasma, red blood cells, white blood cells, and platelets are its four main constituents.
All of the body's components can continue to function by receiving oxygen and nutrition through the blood. The lungs, kidneys, and digestive system use the blood to transport carbon dioxide and other waste products for elimination from the body.
Hence, when blood flows through the lungs, oxygen gets added, and carbon dioxide gets eliminated.
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Compare and contrast the advantages and disadvantages of nuclear power plants and those that burn fossil fuels.
Thermal energy stations have high energy thickness, and low ozone-depleting substance outflows, yet face worries about atomic garbage removal and the hazard of radiation openness, while petroleum derivative plants have a minimal expense, simple availability however bring about high ozone-harming substance discharges and air contamination.
Thermal energy stations and those that consume petroleum products both enjoy their benefits and inconveniences:
Benefits of Thermal energy stations:
High energy thickness: Thermal energy stations can create a lot of power from modest quantities of fuel, which is a huge benefit over petroleum product power plants.Low emanations: Thermal energy stations produce exceptionally low degrees of ozone-depleting substances, air poisons, and particulate matter, making them a spotless wellspring of energy contrasted with petroleum products.Dependability: Thermal energy stations are exceptionally solid, delivering power all day, every day, which is basic for satisfying energy needs.Disservices of Thermal energy stations:
Atomic waste: Thermal energy stations produce profoundly radioactive waste that stays perilous for a huge number of years, which represents a critical removal challenge.Cost: Building and keeping a thermal energy station is costly, and the expense of fuel and decommissioning must likewise be thought of.Wellbeing: Albeit thermal energy stations are intended to be protected, mishaps and glitches can happen, prompting the arrival of radioactive materials and possibly destructive well-being and ecological effects.Benefits of Petroleum derivative Power Plants:
Overflow: Petroleum derivatives, like coal, oil, and flammable gas, are bountiful, generally disseminated, and moderately modest, which makes them a famous wellspring of energy.Adaptability: Petroleum derivative power plants can rapidly increase or down their creation to satisfy changes in energy needs, making them an adaptable wellspring of energy.Detriments of Non-renewable energy source Power Plants:
Discharges: Non-renewable energy source power plants radiate a lot of ozone-harming substances, air poisons, and particulate matter, which add to environmental change and air contamination.Consumption: Petroleum products are non-sustainable assets that will ultimately become drained, which could prompt an energy emergency in the event that elective wellsprings of energy are not created.Cost: The expense of separating and moving non-renewable energy sources can be high, and the expense of relieving their ecological effects should likewise be thought of.To learn more about fossil fuels at
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salts form when which two substances are combined?
Salts are formed when two substances are combined, these two substances are acids and bases.
Salt is produced by the reaction of an acid with a base. It consists of a positive ion of the base and a negative ion of an acid. When in solution or the molten state, most salts are completely dissociated into negatively and positively charged ions and are good electrolytes, so salts are good conductors of electricity. When two or more substances are mixed without having any chemical change, then the final substance is known as a mixture. Its components can be separated easily by physical means. A pure substance constituted of two or more elements combined chemically in a fixed ratio is called a compound. It can be split into these simpler and different substances by chemical means.
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the social and cultural groups to which a person belongs have little effect on food choices.
The statement "The social and cultural groups to which a person belongs have little effect on food choices" is false. Social and cultural factors play a significant role in shaping an individual's food choices and dietary habits. Some examples of how social and cultural groups can impact food choices include:
Family traditions and customs: Family background and cultural traditions can influence the types of foods a person is exposed to and the foods they learn to associate with special occasions, celebrations, and everyday meals.Peer pressure: The food choices of friends, coworkers, and community members can also have an impact on an individual's food choices. For example, peer pressure may encourage a person to try new foods or to avoid certain foods because of cultural or social norms.Economic factors: A person's financial situation can also impact their food choices, as certain foods may be more affordable or accessible than others.Religious beliefs: Religious beliefs and practices can influence food choices, such as avoiding certain foods because they are considered "unclean" or limiting the types of food that can be consumed during certain times of the year or during religious festivals.Therefore, it is false that the social and cultural groups to which a person belongs have little effect on food choices. These factors can play a significant role in shaping an individual's dietary habits and food choices.
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The complete question is:
State T/F and explain "the social and cultural groups to which a person belongs have little effect on food choices".
Describe a possible adaptation of a plant that utilizes wind dispersal as a way to spread its seeds.
what is not a primary function of the skeletal system
B. Homeostasis of magnesium and phosphate. It is supported by the skeletal structure of your body. It provides the body its structure, allows for motion, protects organs, produces blood cells, and stores minerals.
Support, mobility, protection, blood cell production, ion storage, and endocrine regulation are the six main functions of the human skeleton. Bone, often referred to as osseous tissue, is a hard, thick connective tissue that makes up the majority of the adult skeleton, which acts as the body's support system. The skeletal system's main purposes are to support and serve as the body's structure. An adult has 206 bones altogether. It consists of bones, cartilage, tendons, and ligaments that connect the two. The skeletal system of a human offers the body a
The complete question is:
What is NOT a primary function of the skeletal system?
A Protection
B Homeostasis of magnesium and phosphate
C Hematopoietic (blood cell production) site
D Movement
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28. How many linkage groups will be formed by homogametic organism with 28 chromosomes?
34 linkage groups will be formed by homogametic organism with 28 chromosomes.
34 linkage groups were found by linking 229 loci to at least one other marker with an approximately two times score >/=3.0. By using somatic cell hybrid analysis, representative markers from each linkage group were assigned to certain cat chromosomes, resulting in chromosomal assignments to 16 of the 19 feline chromosomes. The size of the genome is roughly 2900 inches, and we calculate that the genetic length of the sex-averaged map is 3300 figuring The map, which has an intragroup inter marker spacing of cm on average, is a useful tool for identifying phenotypic diversity within the species and connecting it to gene maps of other mammals, such as humans.
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if you need more amino acids, which of these is the best solution?
Answer: Eat more beans.
Explanation: Beans contain lots of amino acids, so they would help that problem.
Are the follow sentences true about ants?
Queen ants are the founders of their colonies.
Princesses, and virg in queens, that once they mate, they will lay their eggs to start there own colonies.
Worker ants, are small ste rile females that forage for food, take care of there young, and help expand the colonies.
Soldiers are large steri le females. They help workers reach food, by clearing paths, and protecting the colonies.
Drones, are the only male ants in the colonies, and their only purpose is to mate with a princess ant, and make offspring, and once they do, they die.
Answer: All statements are correct.
Explanation: Worker ants do take care of their young and help forage for food while soldier ants protect the colonies and help clear paths for smaller ants to reach food. Drones are the only males and they also die not too long after mating. Princesses and vir-gin queens do mate and start their colonies, which means that they are also the founder of their colonies.
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when a double bond joins two carbon atoms, __________ can form.
When a double bond joins two carbon atoms, it can form a carbon-carbon double bond.
This type of bond is characterized by the sharing of two electron pairs between the carbon atoms, resulting in a strong covalent bond. The double bond is an important feature in organic chemistry as it affects the physical and chemical properties of molecules, such as their stability, reactivity, and shape.
It is also a key structural feature in many biologically important molecules, such as unsaturated fatty acids, hormones, and many types of biomolecules. The arrangement and number of double bonds in a molecule can also have significant effects on its biological activity and function.
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Why are all living organisms based on molecules that contain carbon?
Yes, All living organisms are based on molecules that contain carbon because carbon has unique chemical properties that make it well-suited for forming the complex, diverse molecules necessary for life.
All living organic entities depend on atoms that contain carbon since carbon has novel substance properties that make it appropriate for shaping the intricate, different particles fundamental forever. Carbon can frame covalent securities with different components, including other carbon molecules, which permits it to make long chains and complex designs like proteins, starches, and nucleic acids. Also, carbon can shape different bonds with different components, which permits it to frame stretched chains and ring structures. This flexibility permits carbon to take part in a wide assortment of compound responses and add to the variety of natural atoms essential forever. Consequently, all living life forms depend on atoms that contain carbon.
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Control elements located far from the genes they regulate are also called __________.
A. Distal control elements or enhancers
B. General transcription factors
C. Activators
D. Proximal control elements or enhancers
E. Specific transcription factors
Control elements located far from the genes they regulate are also called enhancers or distal control elements.
Enhancers are regulatory DNA sequences that are located far away from the genes they regulate and are responsible for controlling gene expression. They work by binding to specific transcription factors and other proteins that enhance or activate the transcription of a gene.
Enhancers can have a profound effect on gene expression, even if they are located many kilobases away from the gene they control. Enhancers can also be tissue-specific, meaning they only activate gene expression in certain tissues or cells. This allows for differential regulation of gene expression, which is critical for proper development and function of the organism.
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What is one function, or job, of gel electrophoresis?
Gel electrophoresis is a technique used in the lab for the purpose of separating mixtures of DNA, RNA, or proteins based on their respective molecular weights.
Gel electrophoresis is a technique used in the lab for the purpose of separating mixtures of DNA, RNA, or proteins based on their respective molecular weights. During the process of gel electrophoresis, the molecules to be separated are driven through a gel that has pores of varying sizes by an applied electrical field.
The speed at which the molecules move through the pores in the gel is directly proportional to the inverse of the lengths of the molecules. This indicates that a DNA molecule with a smaller size will travel further through the gel than one with a larger size will be able to travel through the gel.
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In three to five sentences, describe how the diagram of Earth’s carbon cycle demonstrates the interactions among the biosphere (plants), the lithosphere (ground), the atmosphere (air), and the hydrosphere (water).
Based on the diagram of the carbon cycle given:
Carbon is cycled between the biosphere and plants during the processes of photosynthesis.
Carbon is cycled between the biosphere and lithosphere during the death and decay of organisms
Carbon is cycled between the biosphere and the hydrosphere di=uring the ocean uptake of carbon from respiring plants
Carbon is cycled between the lithosphere ad the atmosphere during the burning of fossil fuels.
What is the carbon cycle?
The carbon cycle is a cycle that describes the processes by which carbon is recycled between the various living and non-living components of the earth.
Carbon is an essential element required by all living organisms for their growth and development.
Also, carbon is found as part of the component of the non-living environment.
There, it is important that carbon is cycled between the various spheres of the earth.
Carbon is cycled between the biosphere (plants), the lithosphere (ground), the atmosphere (air), and the hydrosphere (water).
which of the following is not true about diverticular disease? group of answer choices active lifestyles appear to be protective against this condition. it is a condition in which there are small pouches or pockets in the wall or lining of the digestive tract. this condition occurs when the inner layer of the digestive tract pushes through weak spots in the outer layer. age is a primary risk factor for this condition. diets low in fiber reduce risk for this condition.
The false statement about diverticular disease is diets low in fiber reduce the risk for this condition.
What are the facts about diverticular disease?Diverticular diseases are related to digestive conditions that affect the large intestine (bowel). Some people get an infection in the tiny pouches in their colon. The pockets or small bulges that can develop in the lining of the intestine are called diverticula. It might happen as you get older because the walls of your large intestine become weaker and the pressure of hard stools passing through your intestines can cause diverticula to form.
Eating a high-fiber diet may help ease the symptoms of diverticular disease and stop you from developing diverticulitis and physical activity may help you avoid risks associated with diverticular disease.
Thus, to reduce the risk of diverticular disease is recommended to eat enough fiber.
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experiments on denaturation and renaturation after the reduction and reoxidation of the âsâsâ bonds in the enzyme ribonuclease (rnase) have shown that:
A) folding of denatured RNase into the native, active conformation, requires the input of energy in the form of heat. B) native ribonuclease does not have a unique secondary and tertiary structure. C) the completely unfolded enzyme, with all-S--bonds broken, is still enrymatically active. D) the primary sequence of RNase is sufficient to determine its specific secondary and tertiary strure.
Experiments on denaturation and renaturation after the reduction and reoxidation of the B statement is false
21) Experiments on denaturation and renaturation after the reduction and reoxidation of the -S-S- bonds in the enzyme ribonuclease have shown that the primary sequence of RNase is sufficient to determine its specific secondary and tertiary structure.
22) The structure of the beta turns is having the turn of 180° which involves the four residues of the amino acid whereas on the other hand the in beta turn the carbonyl oxygen of the first residue which forms the hydrogen bond with the amino group hydrogen of the fourth residue and they are often found on the surface of protein and also glycine and proline are after occur in beta turn because the glycine is small as well as flexible and the proline contains the peptide bonds which involves imino N.
So from the given statements the B statement is false that the Gly and Pro rarely occur in beta turns because the truth is gly and pro are often occurs on beta turns.
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how many chromosomes are present in a cell from the same organism in prophase i of meiosis?
The chromosomes in the cell from same organism would be diploid during meiosis I beginning and therefore the number of chromosomes would be 24 in Prophase I of meiosis.
Meiosis is the cell division where one parent cells divides to form 4 daughter cells that are haploid in nature. This is the reason it is called reductional division. The process is completed in two phases: meiosis I and meiosis II. The cells are initially diploid in the beginning of meiosis II.
Chromosomes are the compact structures that contain the genetic material. They are comprised of DNA strand and the histone proteins. The transfer of genes from one generation to another takes place in chromosomal form.
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The given question is incomplete, the complete question is:
A cell in prophase II of meiosis contains 12 chromosomes. How many chromosomes would be present in a cell from the same organism if it were in Prophase I of meiosis?
which best explains why paleontologists examine ancient lake/ponds beds for fossil discoveries
Archaeologists can learn from soil analysis about the circumstances under which it was created, changes that have occurred since, and, in some cases, human activity.
Who are Archaeologists?An archaeologist is a scientist who excavates artefacts and human remains to learn about human history.
Archaeologists form theories and pose questions. They select a dig site based on evidence and then decide where to dig using scientific sampling methods.
Soil analysis provides information to archaeologists about the environment in which an artefact was made, changes that have taken place since, and, in certain cases, human activity.
Soil is made up of minerals, inorganic rock pieces, and organic material (humus) from degraded plant matter.
Thus, paleontologists examine ancient lake/ponds beds for fossil discoveries.
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true or false? some traits are considered vestigial because they decrease the biological fitness.
Vestigial traits and habits that you might still hold on to. Perhaps the most well-known vestige of the human body is the appendix. Thus, it is false.
What some traits are considered as vestigial?A body's numerous cells, tissues, and organs that are no longer functional are referred to as vestige structures. A mutation in the genome can lead to the emergence of a vestige structure.
Changes in the environment and the creature in question's behaviour patterns can be blamed for the existence of vestigial organs.
The likelihood that subsequent generations will pass down the "normal" form of the structure reduces as the structure's function is no longer advantageous for survival.
Therefore, it is false that Vestigial-structure, with no function, does not increase or decrease.
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Vestigial traits and habits that you might still hold on to. Perhaps the most well-known vestige of the human body is the appendix. Thus, it is false.
What some traits are considered as vestigial?A body's numerous cells, tissues, and organs that are no longer functional are referred to as vestige structures. A mutation in the genome can lead to the emergence of a vestige structure.
Changes in the environment and the creature in question's behaviour patterns can be blamed for the existence of vestigial organs.
The likelihood that subsequent generations will pass down the "normal" form of the structure reduces as the structure's function is no longer advantageous for survival.
Therefore, it is false that Vestigial-structure, with no function, does not increase or decrease.
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you are performing a manual white blood cell count. you have made the dilution and have filled the hemacytometer. a stat urinalysis is brought to the laboratory and you leave the hemacytometer sitting on the microscope stage while you perform the ua. fifteen minutes later you return to complete the count. should you count the dilution on the hemacytometer? why or why not?
You are performing a manual white blood cell count and have made the dilution and have filled the hemacytometer. fifteen minutes later you return to complete the count in which dilution is counted.
Louis-Charles Malassez developed the hemocytometer, which is made of a thick glass microscope slide with a rectangular indentation that generates a precise volume chamber. A grid of parallel lines has been laser-etched onto this chamber. The mechanism is meticulously designed so that the depth of the chamber and the area enclosed by the lines are both known. In order to determine the concentration of cells in the fluid overall, it is therefore possible to count the number of cells or particles in a given volume of fluid by examining a specific area of the grid. The Neubauer counting chamber is a popular type of hemocytometer.
In order to calculate the cell density of the original sample from the density of the diluted sample you have counted, or once you have counted for diluting your original sample to attain a goal cell density, you need to determine your dilution factor.
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Consider the following mutations to the nucleotide sequence of a gene. Which of these mutations would not alter the reading frame of the gene’s genetic message?
a.) a deletion that removes 4 nucleotides
b.) a single nucleotide-pair insertion
c.) a single nucleotide-pair substitution
d.) a single nucleotide-pair deletion
Option C: a single nucleotide-pair substitution would not alter the reading frame of the gene’s genetic message.
The DNA region that codes for one unit of hemoglobin has one nucleotide changed as a result of the mutation. A multi-protein complex called hemoglobin is in charge of carrying oxygen and maintaining the structure of blood cells. A protein's glutamic acid is converted into the amino acid valine by the substitution mutation. This is generally a point mutation, more particularly, a missense point mutation. Thus, option C is the correct choice.
When DNA is replicated, a replacement mutation occurs when the incorrect nucleotide or sequence of nucleotides is placed in the incorrect spot. A single nucleotide is substituted in a point mutation, a form of substitution mutation.
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what is the source of energy that maintains most biological systems on earth?
The Sun is the source of energy that maintains most biological systems on earth.
The primary energy source for creatures and the ecosystems they are a part of is the Sun. Sunlight energy is used by producers like plants, algae, and cyanobacteria to convert carbon dioxide and water into organic matter.
The process of life is sustained by the constant inflow of energy, primarily from sunshine. Photosynthesis is a process that organisms like plants, algae, and cyanobacteria use to turn carbon dioxide and water into organic molecules like carbohydrates.
The primary source of organic matter in the biosphere is this mechanism. There are a few exceptions to this rule, such as the communities that surround hydrothermal vents on the ocean floor and get their energy from gases like hydrogen sulfide and methane. In either scenario, the total amount of energy available determines the ecosystem's overall productivity.
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Could someone pls make this more 9th grade grammar like?
Ionic bonds are a type of chemical bond formed between two ions (atoms with an unequal number of protons and electrons) with opposite charges. These bonds occur when one atom donates one or more electrons to another atom, creating two ions that are attracted to each other due to their opposite charges. The result is a strong, rigid bond that holds the ions together in a crystal lattice structure.
Ionic bonds are typically formed between metal and non-metal elements, and they are characterized by high melting and boiling points, as well as poor conductivity in the solid state and good conductivity in the melted or dissolved state. This is because the ions are tightly packed and held together in a rigid structure, but when melted or dissolved, they become free to move and carry electrical charges
Ionic bonds are found in a variety of minerals and compounds, including table salt (NaCl), baking soda (NaHCO3), and calcium carbonate (CaCO3). These compounds have important applications in industries such as food, pharmaceuticals, and construction.
In conclusion, ionic bonds are a type of chemical bond formed between ions with opposite charges. These bonds are characterized by high melting and boiling points and poor conductivity in the solid state, and they play an important role in the formation of minerals and compounds with various industrial applications.
Ionic bonds are a type of chemical that's formed between two ion atoms with an unequal number of protons and electrons with opposite charges. These bonds occur when one atom donates one or several more electrons to another atom which results in the creation of two ions attracted to each other due to their opposite charges.
The outcome is a strong, rigid bond holding the ions together in a crystal lattice structure.
Ionic bonds are typically formed between metals and non-metal elements and are characterized by high melting and boiling points in addition to poor conductivity in the melted or dissolved state. This takes place due to the ions being tightly packed as well as held together in a rigid structure - but when melted or dissolved, they become free to move and carry electrical charges.
Ionic bonds can be found in a variety of minerals and compounds, including table salt (NaCI). baking soda (NaHCO3), and calcium carbonate (CaCO3). These compounds have an important application in industries such as food, pharmaceuticals, and construction.
In conclusion, ionic bonds are a type of chemical bond that is formed between ions with opposite charges. These bonds are characterized by high melting, boiling points, and poor conductivity in the solid state. They play an important role in the formation of minerals and compounds with various industrial applications.
Select the three components of the cell theory devised in the mid 1800s.
A. a cells have nuclei
B. All cells can arise from spontaneous generation
***C. All cells originate from preexisting cells
***D. The cell is the fundamental unit of all life
***E. All organisms are made of one or more cells
A.The cell is the fundamental unit of all life.
E.All organisms are made of one or more cells.
C.All cells originate from preexisting cells.
The three components of contemporary cell theory are: energy flow occurs inside cells; cells carry DNA to new cells; and cells of the same species are formed of the same materials.
The classic cell hypothesis was first put forth by biologists Schleiden and Schwann in 1839, and it was expanded upon by Virchow in 1858. All cells are made up mostly of the plasma membrane, cytoplasm, and nucleus. A thin, semipermeable membrane makes up the plasma membrane. It keeps the outer world away from the cell. It controls how ions enter and leave the cell.
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Two students in the debate club are preparing arguments for and against the use of nuclear energy. Each student will have five minutes to present an argument based on scientific evidence.
The student who supports the use of nuclear energy is considered a proponent of nuclear energy.
The student who does not support the use of nuclear energy is considered an opponent of nuclear energy.
The proponent presents his argument first. His argument is based on the following key points.
Nuclear energy does not emit any greenhouse gases.
Nuclear energy does not contribute to global warming.
Next, the opponent presents his argument.
Which pair of key points is the opponent most likely to use in his argument against the use of nuclear energy?
(1 point)
Responses
There is no safe place or method to store nuclear waste.
Nuclear energy creates waste that remains dangerously radioactive for thousands of years.
There is no safe place or method to store nuclear waste. Nuclear energy creates waste that remains dangerously radioactive for thousands of years. ,
Nuclear energy is not a renewable resource.
Nuclear energy releases gases into the atmosphere that deplete the ozone layer.
Nuclear energy is not a renewable resource. Nuclear energy releases gases into the atmosphere that deplete the ozone layer. ,
Nuclear energy contaminates local water supplies.
Nuclear energy impacts climate change.
Nuclear energy contaminates local water supplies. Nuclear energy impacts climate change. ,
Nuclear energy creates acid fog and clouds.
Nuclear waste in the air harms trees.
The pair of key points is the opponent most likely to use in his argument against the use of nuclear energy are A. There is no safe place or method to store nuclear waste. Nuclear energy creates waste that remains dangerously radioactive for thousands of years.
What is a Debate?A debate is a procedure that entails formal dialogue about a certain issue, frequently with the participation of a moderator and an audience. In a debate, defenses are made for frequently divergent points of view.
Hence, the key point in the debate is to give points against the use of nuclear energy and option A is the correct answer.
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Which is allele is dominant?
Answer:
It’s A
Explanation:
Which opening in the interatrial septum of the fetal heart connects the right and left atrium?
The opening in the interatrial septum of the fetal heart connects the right and left atrium is foramen ovale
The cardiovascular system is the first functioning organ system that develops when a baby is in the womb. When the baby is in the womb, the baby needs nutrients and blood that the blood carries. In the third week of pregnancy, blood vessels will begin to supply blood cells through the foramen ovale to provide oxygen and nutrients from the mother to the embryo.
After the baby is born, there will be a change in the process of delivering oxygen to the baby, the baby can breathe on his own and blood circulation through the lungs begins to work. This causes the pressure in the left atrium to increase causing changes. The foramen ovale as the hole that functions to drain blood to the fetus will close because the foramen ovale valve is pressed by the septum secundum. By closing the foramen ovale, the right atrium will separate from the left atrium.
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As the chromosomes of a parent cell are duplicated and distributed to the two daughter cells during cell division, the structure of the chromosome's changes. Answer the three questions for each phase of the cell cycle by dragging the yes and no labels to the appropriate locations in the table .Note: Assume that by the end of the M phase, the parent cell has not yet divided to form two daughter cells.
Are sister chromatid present in all or part of this phase?G1-no S-yes G2-yes Beginning of M-yes End of M-no
Is the DNA condensed in all or part of this phase?
G1- no S-no G2-no Beginning of M-yes End of M-yes
Does the cell contain twice as much DNA in this phase as it did in the G1 phase?
G1- no S-yes G2-yes Beginning of M- yes End of M-yes
1. N Y Y Y N
2. N N N Y Y
3. N Y Y Y Y
What happens to the number of chromosomes in the parent cells and 2 daughter cells?
At this point, nuclear division begins, and the parent cell is divided in half, forming 2 daughter cells. Each daughter cell will have half of the original 46 chromosomes or 23 chromosomes.
When chromosomes are distributed equally to daughter cells is that interphase or mitosis?
Mitosis is a nuclear division during which duplicated chromosomes are segregated and distributed into daughter nuclei. Usually, the cell will divide after mitosis in a process called cytokinesis in which the cytoplasm is divided and two daughter cells are formed.
What happens to the two daughter cells after meiosis?
At the conclusion of meiosis, there are four haploid daughter cells that go on to develop into either sperm or egg cells.
What happens in the interphase between meiosis 1 and 2?
The gap between meiosis I and meiosis II is known as interkinesis or interphase II which is also known as the rest phase and in this phase, there is no DNA replication. During interphase II or interkinesis the spindle fibers of meiosis I get dispersed and the new spindles converge together for meiosis II.
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which is thought to be the first macromolecule found in protocells?
Compared to modern materials, 14 quantities of C.A self-organized, endogenously structured, spherical collection of lipids called a protocell .(or protobiont)
It has been postulated as a first step toward the beginning of life.
How early primitive protocells differed in their reproductive output and how this allowed for the accumulation of new biological emergencies over time or biological evolution, is a key subject in evolution.
The objective of comprehending the process is well within reach, even though a working protocell has not yet been produced in a lab setting.
The word "protocell" has been loosely used to describe the earliest or most basic cells. Here, the term "protocell" will be used to refer exclusively to cell-like structures that are spatially separated from one another by a developing membrane boundary.
Since the evolution of advantageous functions that are genomically encoded has not yet taken place, a protocell differs from a real cell in this regard.
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