Answer:
The pancreas
That's the correct answer of this fill in the blank
High explosives are more readily available than low explosives.
A. True
B. False
High explosives are more readily available than low explosives, so the affirmation is true. So the correct option is A.
What are high and low explosives?Explosives are materials that burn quickly which generate large amounts of gases. There are different types of explosives, there are high explosives and low explosives.
Low explosives will contain chemicals that will burn very quickly but need containment for it to explode. While high explosives will contain much faster detonating materials which have supersonic waves going through the material, which means they don't need to be contained.
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Answer: A
Explanation:
Why did Darwin call his idea descent with modification?
Darwin referred to his theory as descent with modification because features are passed down from generation to generation and may alter or modify through time.
The core concept of biological evolution is that organism populations and species change through time. When we think on evolution today, we are more likely to associate it with one person: the British biologist Charles Darwin. Darwin's renowned and contentious book On the Origin of Species was published in the 1850s. He suggested in it that species develop and that every living things may be traced back to a common ancestor.
Natural selection, Darwin proposed, is a mechanism for evolution in which heritable features that help animals survive and reproduce grow more frequent in a population over time. Darwin's idea of natural selection evolution enabled him to explain the patterns he observed during his travels.
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When hemoglobin is converted from the deoxy (T) form to oxybromoglobin (R):
A. it becomes more acidic and releases protons
B. carbamino formation is promoted
C. binding of 2,3-bisphosphoglycerate (BPG) is favored
D. bound NO is transferred to glutathione
E. all of the above are correct
When hemoglobin is converted from the deoxy (T) form to oxybromoglobin (R) carbamino formation is promoted.
Hemoglobin, abbreviated Hb or Hgb, is an iron-containing oxygen-transport metalloprotein found in virtually all vertebrate red blood cells as well as certain invertebrate organs. Hemoglobin in the blood transports oxygen from the respiratory organs (such as the lungs or the gills) to the rest of the body. There, it releases oxygen, allowing aerobic respiration to generate energy to power an organism's operations in a process known as metabolism.
Hemoglobin transports other gases as well: it transports some of the body's respiratory carbon dioxide as carbaminohemoglobin, in which CO2 is linked to the heme protein. The molecule also contains the crucial regulating component nitric oxide, which is linked to a thiol group in the globin protein and released along with oxygen.
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the envelope of a virus is derived from the host’s _________________.
The envelope of a virus is derived from the cell membrane of the host on which the virus resides.
Viruses can either be enclosed or not. The viral DNA and essential proteins are enclosed by one or more membranes in viruses with an envelope. During the construction and budding of the virus, these membranes are taken from the host cell. Numerous enveloped viruses, including the orthomyxo- (e.g., influenza), paramyxo- (e.g., Sendai), rhabdo- (e.g., vesicular stomatitis virus), retro- (e.g., human immunodeficiency virus, or HIV), and alpha-viruses (e.g., Semliki Forest virus (SFV)), comprise only one membrane. Other viruses, like the herpes virus, could go through a number of stages of budding and fusion with several internal membrane compartments before finally obtaining a single membrane through the exocytic pathway.
In order to enter a cell, enveloped viruses fuse their membranes. The genome-containing viral capsid or core is transported to the cytosol when the viral membrane unites with a cellular membrane.
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Here is the sticky end of a dna molecule after it has been cut by a restriction enzyme. which sequence of nucleotides would bind to this sticky end? - ATAT - TTAA - UUAA - AATT
The sticky end of a DNA molecule that has been cut by a restriction enzyme would bind to a complementary sticky end. The sticky end of the DNA molecule is composed of single-stranded regions that are created when the restriction enzyme cuts the double-stranded DNA.
In order to bind to the sticky end, the complementary sequence must be present in another DNA molecule.
Out of the four options given, the complementary sequence to the sticky end "ATAT" would be "AATT". The complementary base pairs in DNA are A-T and C-G, so a sequence of AATT would bind to the sticky end ATAT via hydrogen bonds between the complementary base pairs.
This allows the two DNA molecules to "stick" together, or anneal, through complementary base pairing. The process of joining two DNA molecules through complementary sticky ends is called ligation, and it is an important step in many molecular biology techniques, including DNA cloning.
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how many bones joints and muscles does a human foot have
The foot is a complex mechanical structure of the human body composed of 33 joints, 26 bones, and more than a hundred muscles, tendons, and ligaments that all work together to bear weight, allow for locomotion, and transmit force.
Which set of factors would increase stroke volume?
In synopsis, stroke volume might be expanded by expanding the contractility or preload or diminishing the afterload.
contractility. * Expanded thoughtful movement increments heart contractility. This makes cardiovascular filaments contract all the more powerfully at all degrees of preload. Notwithstanding end-diastolic volume, this instrument increments stroke volume by diminishing end-systolic volume.
Along these lines, stroke volume can increment by expanding EDV or diminishing ESV. ESV will go down on the off chance that the heart crushes harder and discharges more. The higher the stroke volume, the more noteworthy the cardiovascular result (for a given pulse).
Thoughtful excitement prompts the arrival of epinephrine and norepinephrine, the two of which increment pulse and increment contractility, which increments stroke volume.
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what is the advantage of using a wet mount? the wet mount is safer to view pathogenic organisms the motility of an organism can be viewed contrast of the organism is enhanced the specimen can be viewed as living cells
The advantage of using a wet mount is c. the organism is enhanced the specimen can be viewed as living cells
Wet mount are preparations made directly without preservatives containing living objects to be observed. These preparations are usually made by slicing the observation material as thin as possible and then observing it with the addition of water for living cells.
The benefits of wet mount are that they can provide clear results. When the contrast of the specimen is increased by adding water, it will describe a high affinity for cell organelles so that the structure inside will be clearer. Because the structure of the cell organelles is still clearly visible, the specimen can be seen as a living cell which provides more definite observations regarding the structures contained within.
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TRUE/FALSE. the pattern observed when individuals with the same genotype show slight differences in the resulting phenotype is called variable.
False. The pattern observed when individuals with the same genotype show slight differences in the resulting phenotype is called phenotype variability or phenotypic plasticity.
Phenotype variability or phenotypic plasticity refers to the phenomenon in which individuals with the same genotype (genetic makeup) show slight differences in the resulting phenotype (observable characteristics). This variability occurs due to the influence of environmental factors such as temperature, light, nutrients, and other conditions that interact with an individual's genetic makeup to produce different outcomes. These differences in phenotype can be seen in physical traits such as height, weight, and eye color, but also in more complex traits such as behavior and disease susceptibility. Understanding phenotype variability is important for many fields of study, including genetics, evolution, ecology, and medicine.
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(answers for meosis pogil)
considering what you already know about mitosis in cells, what event must take place during interphase before a cell proceeds to division?
A cell must go through the process of DNA replication during interphase before it may divide. This means that in order for the cell to divide, it must generate a flawless clone of its genetic material, DNA.
What is mitosis?Mitosis is a stage of the cell cycle during which replicated chromosomes are split into two new nuclei. Mitosis results in the formation of genetically identical cells with the same number of chromosomes. As a result, mitosis is often referred to as equational division. The division of a single parent cell into two new daughter cells. From the parent cell, each daughter cell obtains a complete complement of chromosomes. This mechanism enables the body to regenerate and replace cells.
Here,
Before a cell can divide, it must go through the process of DNA replication during interphase. This implies that in order to divide, the cell must create a perfect replica of its genetic material, DNA.
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Why is BMI a better reflection of a person's health as compared with body mass alone? Explain.
BMI is a better reflection of a person's health as compared to body mass alone because BMI gives an idea about the weight-related disorders in an individual in a better and quick way.
BMI stands for Body Mass Index. It is the value obtained based on a person's body mass and height. This value helps in analyzing the risk of body fat related diseases in the person. The BMI can be calculated as body mass divided by the square of the body height.
Fat is the fatty acid present inside the body as stored form of energy. It is chemically the ester of fatty acids. The breakdown of fats provides the maximum amount of energy to the body.
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does adding fertilizer affect the productivity of tomato plants? to answer this question, a gardener plants 24 similar tomato plants in identical pots in his greenhouse. he will add fertilizer to the soil in half of the pots. at the end of three months he will record the total weight of tomatoes produced on each plant. identify the explanatory and response variables, experimental units, and treatments.
In this experiment:
Explanatory variable: Whether fertilizer was added to the soil or not
Response variable: Total weight of tomatoes produced on each plant
Experimental units: 24 tomato plants, planted in identical pots in the greenhouse
Treatments: Adding fertilizer to the soil and not adding fertilizer to the soil.
The gardener is doing an experiment to determine whether fertilizer has any impact on the response variable, which is the total weight of tomatoes produced on each plant. The 24 tomato plants that make up the experimental units are being subjected to the addition of fertilizer and its absence as treatments. The gardener will track the total weight of tomatoes produced on each plant after three months and compare the results between the two groups to see if fertilizer addition affects tomato plant productivity.
Thus experiment help to test hypothesis and make us find relevant results.
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cells, therefore, are the fundamental units of life. T/F
Cells are the fundamental unit of life. Hence this statement is true.In biology, a cell is a basic membrane-bound entity that houses the building blocks of life and is the basic building block of all other living entities.
As in the case of bacteria or yeast, a single cell is frequently an entire organism unto itself. As they develop, other cells gain specific roles. Together with other specialized cells, these cells form the foundation for huge multicellular creatures like humans and other animals. Despite being far bigger than atoms, cells are nonetheless incredibly tiny. The tiniest known cells are a kind of microscopic bacteria known as mycoplasmas; some of these single-celled creatures are spheres as small as 0.2 mm in diameter (1 mm = about 0.000039 inch), with a total mass of 1014 gram, or 8,000,000,000 hydrogen atoms.
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what part of your nervous system is working as you move your legs to run?
Answer: The voluntary nervous system (somatic nervous system) controls all the things that we are aware of and can consciously influence, such as moving our arms, legs and other parts of the body.
The part of the nervous system working as you move your legs to run is the motor, or somatic, nervous system.
What is nervous system?The nervous system is the network of cells, tissues, and organs that coordinate and control the body's responses to internal and external stimuli. It is composed of two major parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and spinal cord and is responsible for controlling, integrating, and coordinating bodily functions. The PNS is composed of a vast network of nerves that connect the CNS to all other parts of the body. It is responsible for conveying information from the outside world to the CNS and from the CNS to the rest of the body. It also regulates motor functions, such as movement, and maintains homeostasis, the body's internal environment.
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determine whether each item is a formed element or part of the plasma.
The items that are formed element or part of the plasma:
Formed elements:
PlateletsWhite Blood CellsEosinophilsMonocytesRed Blood CellsNeutrophilsBasophilsLymphocytesPlasma:
WaterNutrientsHormonesGasesVitaminsProteinsElectrolytesPlаsmа is the wаtery fluid portion of blood (90 percent wаter) in which the corpusculаr elements аre suspended. It trаnsports nutrients аs well аs wаstes throughout the body. Vаrious compounds, including proteins, electrolytes, cаrbohydrаtes, minerаls, аnd fаts, аre dissolved in it.
Formed Elements are cells аnd cell frаgments suspended in the plаsmа. The three clаsses of formed elements аre the erythrocytes (red blood cells), leukocytes (white blood cells), аnd the thrombocytes (plаtelets).
Your question is incomplete, but most probably your full question can be seen in the Attachment.
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13. The synthesis of ATP from ADP results in:
a. ADP released
b. ADP storage
c. energy released
d. energy storage
Answer:
IG : (c)
Explanation:
If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate. The energy holding that phosphate molecule is now released and available to do work for the cell.
An advantage of using embryonic stem cells in medical research?
Answer:
regenerate or repair diseased tissue and organs.
Explanation:
Help! why is it important for dna to unwind before replication?
A. to allow proteins to check for mistakes in the dna strands
B. to expose bases so they can be paired with new bases
C. to prevent the new dna from accidentally sticking together to prevent the new , dna from accidentally sticking together
D. to improve flexibility in the dna strands phosphate backbone
The answer is
B. To expose bases so they can be paired with new bases.
How are latitude and longitude similar to a coordinate plane?
Answer:
Latitude and longitude form a graph on a surface.
Explanation:
they allow for the use of an x and y axis, similar to that of a coordinate plane, so you can find specific coordinates among the latitude and longitude (for example, on the face of an earth globe or a map).
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What organ system provides support and levers on which the muscular system acts?
The organ system that provides support and levers on which the muscular system acts is called the skeletal system.
The human body has several organ systems, each with specific functions that contribute to the overall health and homeostasis of the body. The main organ systems are:
1. Skeletal System: provides support, protection, and movement.
2. Muscular System: responsible for movement and maintenance of posture.
3. Nervous System: controls and coordinates body functions through electrical and chemical signaling.
4. Endocrine System: regulates body functions by producing and releasing hormones.
5. Cardiovascular System: circulates blood and transports oxygen, nutrients, and hormones to cells.
6. Lymphatic System: helps maintain fluid balance, defends against disease, and transports waste products.
7. Respiratory System: brings oxygen into the body and removes carbon dioxide.
8. Digestive System: processes food and eliminates waste.
9. Urinary System: filters and eliminates waste from the blood.
10. Reproductive System: produces and transports gametes for reproduction.
The bones of the skeleton serve as anchors for muscles, allowing them to generate force and produce movement. The skeletal system also provides stability and protects vital organs, such as the brain, heart, and lungs. The bones themselves also store minerals, such as calcium and phosphorus, which are important for maintaining healthy bones and overall health.
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Fill In The Blank _____, which move food down the esophagus and through the stomach.
Peristaltic contractions, which move food down the esophagus and through the stomach.
Peristaltic contractions are muscular movements that help push food and other contents through the esophagus and stomach. They occur in a rhythmic, wave-like manner, and are controlled by the autonomic nervous system. The contractions work by contracting circular muscle fibers at the front of a bolus of food and relaxing longitudinal muscle fibers behind it, creating a vacuum that pulls the food forward.
This coordinated movement ensures efficient and effective transport of food through the digestive system.This coordinated movement is essential for normal digestion and helps to prevent food from remaining in the stomach for too long, which could lead to digestive problems. The autonomic nervous system controls the timing and intensity of peristaltic contractions.
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Muscles, which move food down the esophagus and through the stomach.
Peristaltic movement is a rhythmic, wave-like contraction and relaxation of muscles in a hollow tube-like structure, such as the esophagus or intestines, that propels and mixes its contents along. This movement helps move food, liquids, and waste through the digestive system and helps distribute substances for absorption and elimination. Peristaltic movement is controlled by smooth muscle contractions coordinated by the nervous system and is an important part of the digestive process. The esophagus is a muscular tube that connects the throat to the stomach. It is about 10 inches long and is located just behind the trachea. The primary function of the esophagus is to transport food and liquids from the mouth to the stomach. This is accomplished through a process called peristalsis, in which the muscles of the esophagus contract in a coordinated manner to push food and liquids down to the stomach.
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T/F The amount of testosterone and sperm produced by the testes is dependent on the influence of FSH alone.
The statement the effect of FSH alone controls how much testosterone and sperm are generated by the testes is false
The influence of FSH alone determines how much testosterone and sperm the testes generate. When a couple is experiencing trouble conceiving, it is important to look at the male's sperm. Oxytocin, a hormone, and semen enzymes work together to improve sperm motility.
LH stimulates the testes' interstitial cells to produce testosterone in males (Leydig cells). The Sertoli cells, a part of the testicular tubule required for maintaining the growing sperm cell, are stimulated to produce more androgen-binding protein as a result of FSH.
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an abscess of the flap of tissue over an unerupted crown will cause all the following signs and symptoms, except: group of answer choices a) trismus b) fever c) bone loss d) lymphadenopathy
Lymphadenopathy is a condition marked by swelling of the lymph nodes, and is not indicative of an abscess on the flap of tissue over an unerupted crown.
Other symptoms, such as trismus, fever, and bone loss, are common signs of an abscess. Trismus, which is limited mouth opening, often results from the swelling of the soft tissues around the eruption site. Fever is usually a result of the body's response to the infection.
Finally, the infection can lead to bone loss due to damage and eventual loss of the tooth. In conclusion, lymphadenopathy is not a symptom of an abscess of the flap of tissue over an unerupted crown.
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write two difference between urbanization and sustainable development
According to the research, the correct answer is that sustainable development covers people's basic needs without harming the ecosystem, while urbanization maximizes the impact on resources, which in turn affects the health of the community and the ecosystem.
What is urbanization?It is the concentration of population and its activities (social, cultural and economic) in rural areas towards the urban zone.
In this sense, it increases consumer demand which directly affects the economic and social factors of sustainability in addition to its impact on the environment, on the other hand sustainable development can be included in seeking sufficient resources for all that reduces environmental impact and promotes modes of consumption and production in accordance with their own territorial, economic and cultural conditions.
Therefore, we can conclude that according to the research, sustainable development tries to meet the needs demanded by the environment, while in an urbanization it generates a great impact on the environment and quality of life.
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What type of tissue produces digestive
juices in the stomach? Need asap
Answer:
mucosa.
Explanation:
Inside these hollow organs is a lining called the mucosa. In the mouth, stomach, and small intestine, the mucosa contains tiny glands that produce juices to help digest food.
Answer: mucosa
Explanation:
how will the arrangement of the lactococcus lactis
The arrangement of lactococcus lactis refers to its physical arrangement, which can impact its function. Lactococcus lactis is either a coccus (spherical) or a rod shape.
Lactococcus lactis is a gram-positive bacteria that can exist in either a coccus (spherical) or a rod shape. This shape can impact its ability to carry out certain functions, such as multiplying and colonizing surfaces.
Additionally, Lactococcus lactis can exist in a single cell form or in a clustered arrangement, which can affect its ability to interact with its environment and respond to various stimuli.
In general, the arrangement of lactococcus lactis can play a role in its ability to perform its various functions and its overall success in its environment.
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Microbial control methods that kill/destroy ______ are able to sterilize.a. virusesb. the tubercle bacillusc. endosporesd. cysts
Microbial control methods that kill/destroy endospores are able to sterilize. An endospore is a tough, dormant survival stage of the organism rather than a reproductive structure.
Endospores can withstand a lot, including boiling temperatures, the majority of disinfectants, low-energy radiation, drying, etc. The endospore can then persist until a number of environmental triggers cause germination, allowing one vegetative bacteria to emerge. According to reports, between 25 and 40 million years ago, a bee's GI tract that was preserved in amber had viable endospores. A halophilic (salt-loving) bacterium's viable endospores have also apparently been found in fluid inclusions in salt crystals that are over 250 million years old. It is believed that the inside of the endospore and the resulting dehydration play a crucial role in the endospore's resilience to heat and radiation.
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10
A victim's remains are found near a house. The family believes it is their cousin Tallulah but the body has been burned so badly that she cannot be
identified. What is the BEST option for a forensic scientist to identify the body using DNA evidence?
A. Ask for one of Tallulah's old hairbrushes.
Obtain a buccal swab from Tallulah's body.
Test the family members' saliva and sweat.
Look for gunpowder residue around the body.
B.
C.
D.
Answer:The BEST option for a forensic scientist to identify the body using DNA evidence would be to obtain a buccal swab from Tallulah's body (Option B). A buccal swab collects cells from inside the cheek, which contain DNA, and can be used to compare the DNA profile of the victim to the DNA profile of a known relative, such as Tallulah's family members, to establish a possible match. This is a common and reliable method for obtaining DNA evidence for comparison purposes.
Other options, such as asking for one of Tallulah's old hairbrushes (Option A), testing the family members' saliva and sweat (Option C), and looking for gunpowder residue around the body (Option D), may provide additional information, but are not the BEST option for identifying the victim using DNA evidence.
Explanation:
The BEST option for a forensic scientist to identify the body using DNA evidence would be to obtain a buccal swab from Tallulah's body (Option B). A buccal swab collects cells from inside the cheek, which contain DNA, and can be used to compare the DNA profile of the victim to the DNA profile of a known relative, such as Tallulah's family members, to establish a possible match. This is a common and reliable method for obtaining DNA evidence for comparison purposes.
Other options, such as asking for one of Tallulah's old hairbrushes (Option A), testing the family members' saliva and sweat (Option C), and looking for gunpowder residue around the body (Option D), may provide additional information, but are not the BEST option for identifying the victim using DNA evidence.
11. To which organism(s) on the tree is the coelacanth most closely related?
a. Frog
b. Lungfish
c. Cichlid and shark equally
d. Frog and lungfish equally
what type of bond is broken when mrna separates from dna
The bond that is broken when mRNA separates from DNA is a hydrogen bond.
In molecular biology, DNA and RNA are two important macromolecules that play a crucial role in the storage and expression of genetic information.
DNA is the genetic material of an organism, which stores the instructions needed to build and maintain its cells. RNA, on the other hand, is involved in the transfer of these instructions from DNA to ribosomes, the cellular structures where proteins are synthesized.
One important process that occurs during gene expression is the transcription of DNA into RNA. During transcription, a specific segment of DNA is copied (or transcribed) into a complementary RNA molecule called messenger RNA (mRNA). The mRNA molecule then leaves the nucleus and travels to the ribosome, where it serves as a template for protein synthesis.
The bond between the mRNA and DNA is broken by the action of an enzyme called RNA polymerase. RNA polymerase recognizes the start site of a gene on the DNA and then adds nucleotides, one by one, to form a complementary RNA molecule.
As the RNA polymerase moves along the DNA, it breaks the hydrogen bonds between the nitrogenous bases of the DNA and RNA, allowing the mRNA to separate from the DNA. The mRNA molecule then travels out of the nucleus and into the cytoplasm, where it can be translated into a protein.
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