Sharks and ray-finned fishes are similar in that both contain lateral lines that are responsive to fluctuations in water pressure.
The correct answer is D
What makes a fish a ray-finned fish?As the name implies, the fins is supported by rays. They have a stiff skeleton as opposed to cartilaginous fish. Most ray-finned fish have a special organ called a swim bladder that allows them to stay buoyant even when they move up and down in the water.
Why are ray-finned fish superior to sharks?Rays have expanded pectoral fins but a well slender tail that resembles a rope and can be anywhere from small to lengthy in length. Rays use the motions of their wings, the pectoral fins, to create waves that help them swim, whereas sharks primarily use the action on their tails to propel themselves forward.
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Select all of the following that are components of nucleotides.
a. nitrogen-containing base
b. hydrocarbon tail attached to a polar head
c. glycerol
d. sugar
e. phosphorus-containing groups
Nucleotide component parts come next. base containing nitrogen groups in sugar that contain phosphorus.
What are the elements that make up nucleotides?The components of a nucleotide are a carbohydrate (possibly raffia in Rbi or deoxyribose in DNA), a phosphate group, and a base that contains nitrogen. Purines (A), pyrimidine (C), guanine (G), and thymine are the bases that are employed in DNA (T). Thymine is replaced by the nucleotide uracil (U) in RNA.
What components make up the 4 nucleotides?The four nucleotides that make up DNA are aniline (A), purines (T), nucleotides (G), with cytosine (C) (C). The base pairs, which join the two DNA strands, are formed when the nucleotides adhere to one another (A with T and G with C).
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decreasing the angle between two bones by bending a limb at a joint is?
Decreasing the angle between two bones by bending a limb at a joint is called flexion.
Flexion is a movement that occurs at a joint and results in a decrease in the angle between two bones. This movement typically occurs in the sagittal plane, which divides the body into left and right halves, and is commonly associated with bending or folding of body parts.
For example, flexion of the elbow joint involves bending the forearm towards the upper arm, whereas flexion of the knee joint involves bringing the lower leg towards the thigh.
Flexion is one of several types of joint movements, including extension (opposite of flexion), abduction, adduction, rotation, and circumduction, that allow the body to perform a wide range of movements and activities.
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Within the epidermis, cell division and growth occurs in the stratuma) basaleb) lucidumc) corneumd) spinosum
In this question, Within the epidermis, cell division and growth occurs in the stratum basale.
What is Stratum Basale?The deepest layer of the epidermis, which is the skin's top layer, is the stratum basale, also referred to as the basal cell layer or stratum germinativum. This layer includes stem cells that continuously divide and differentiate to produce new skin cells, and it is responsible for cell growth and division. The basement membrane, which divides the epidermis from the underlying dermis, is firmly linked to and closely packed with the cells of the stratum basale. Melanocytes, which are found in the stratum basale, are also responsible for producing the pigment melanin, which gives skin its color and aids in shielding it from UV radiation's harmful effects.
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How did Hershey and Chase prove that DNA is the genetic material?
Bacteriophages (viruses that infect bacteria) were important to Hershey and Chase's experiment, which demonstrated that DNA is the genetic material.
Hershey and Chase demonstrated that when bacteriophages, which are made up of DNA and protein, infect bacteria, the DNA enters but the majority of the protein does not. Hershey and Chase, as well as other findings, all contributed to the conclusion that DNA is the hereditary material. The Hershey-Chase studies, undertaken in 1952 by Alfred Hershey and Martha Chase, helped to prove that DNA represents genetic material.
While biologists had known about DNA since 1869, many scientists still concluded that proteins contained the information for heredity at the time since DNA looked to be an inert molecule and, because it is situated in the nucleus, its purpose was thought to be phosphate storage.
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An increase in blood viscosity will cause an increase in total peripheral resistance? True or False
True, The overall peripheral resistance will rise as blood viscosity increases.
Does a rise in blood viscosity lead to a rise in peripheral resistance?Given a constant systolic blood pressure, the connection between blood viscosity and blood pressure is such that if blood viscosity rises, total peripheral resistance (TPR) will inevitably rise as well, decreasing blood flow. In contrast, blood flow and perfusion will rise as viscosity falls.
What takes place when the blood's viscosity rises?An increase in whole blood viscosity is linked to a higher risk of morbidity and death from a number of fatal illnesses, including cardiovascular and cerebrovascular disease. eatening diseases, including cardiovascular and cerebrovascular disease.
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Which two organs of a plant interact to cause seedlings to grow upward?
A. Seeds and roots
B. Stems and leaves
C. Leaves and seeds
D. Roots and stems
ts and
The two organs of a plant that interact to cause seedlings to grow upward are known as Seeds and roots. Thus, the correct option for this question is A.
What is a seedling?A seedling may be characterized as a young sporophyte that significantly develops out of a plant embryo from a seed. The development of the seedling initiates with the germination of seeds.
A typical young seedling consists of three main parts: the radicle (embryonic root), the hypocotyl (embryonic shoot), and the cotyledons (seed leaves).
Vascular plants have two distinct organ systems: a shoot system, and a root system. The shoot system consists of stems, leaves, and the reproductive parts of the plant (flowers and fruits).
Therefore, the two organs of a plant that interact to cause seedlings to grow upward are known as Seeds and roots. Thus, the correct option for this question is A.
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Answer:roots and stems!
Explanation: I got it right
Evidence that some species have changed over time can be found in ?
O The fossil record
O a single individual fossil
O rocks
Oliving fossils
Answer: The Fossil Record
Explanation:
ndicate whether each is characteristic of lytic or lysogenic reproductive cycle.
viral DNA merges with host cell DNA
no symptoms
viral DNA takes over
virus does not destroy host cell
virus destroys host cell
induces symptoms of viral infection
cell reproduces and spreads provirus
The characteristics of the lytic cycle are viral DNA merges with host cell DNA, viral DNA takes over, the virus destroys the host cell, induces symptoms of viral infection, cell reproduces and spreads provirus.
What is the lytic cycle?In the lytic cycle, viruses produce new copies of themselves inside a host cell before bursting outside the cell.
In the lysogenic reproductive cycle, the viral genome is incorporated into the host cell's DNA, causing internal infection.
The characteristics of the lytic cycle are viral DNA merges with host cell DNA, viral DNA takes over, the virus destroys the host cell, induces symptoms of viral infection, cell reproduces and spreads provirus. Therefore, options A, C, E, F, and G are correct.
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Your question is incomplete, most probably the full question is this:
Indicate whether each is characteristic of lytic or lysogenic reproductive cycle.
viral DNA merges with host cell DNA
no symptoms
viral DNA takes over
virus does not destroy host cell
virus destroys host cell
induces symptoms of viral infection
cell reproduces and spreads provirus
The capsule is the thin, outermost layer of the cell that provides protection is called ____
Answer:
Glycocalyx
Explanation:
I hope this is it
the two main factors that determine where organisms live are
The two main factors that determine where organisms live are "biotic" and "abiotic" factors.
Biotic factors include living organisms, such as other plants and animals, which can affect an organism's survival by competing for resources, predation, or providing mutualistic benefits.
Abiotic factors include nonliving factors, such as temperature, water availability, soil quality, and other physical and chemical characteristics of the environment, which can also impact an organism's ability to survive and reproduce.
Together, biotic and abiotic factors determine an organism's "habitat," which is the specific environment in which it can survive and thrive. Different organisms have different adaptations that enable them to survive in particular habitats and niches, which is the role they play in the ecosystem. Understanding the biotic and abiotic factors that shape an organism's habitat and niche is critical to understanding their ecology and interactions within the larger ecosystem.
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what dose the solar cycle mean?
Answer:
The Sun's South and North poles begin to flip.
Explanation:
It takes about every 11 years for the sun to flip it's north and south poles. That's what the word Solar Cycle means.
Answer: The solar cycle is the cycle that the Sun’s magnetic field goes through approximately every 11 years.
Explanation:
what is the definition of homozygous in biology?
The term "homozygous" in biology refers to an individual organism that has two identical alleles for a specific gene. This means that the organism has inherited the same version of the gene from both of its parents.
For example, if an individual has two alleles for the gene that determines eye color and both of those alleles are for brown eyes, then the individual is homozygous for the eye color gene. This individual will always have brown eyes, and will always pass on the brown eye allele to its offspring.
In contrast, an individual that has two different alleles for a specific gene is referred to as "heterozygous." This individual may display a different phenotype, or physical characteristic, than a homozygous individual for that same gene.
Overall, homozygous individuals have two copies of the same allele for a specific gene, while heterozygous individuals have two different alleles for that gene.
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plasmodesmata enable metabolic communication between?
Plasmodesmata are specialized structures that enable metabolic communication between adjacent plant cells. They are narrow channels that traverse the cell walls between plant cells.
What is the importance of plasmodesmata?Plasmodesmata play an important role in coordinating metabolic processes between plant cells. They enable the movement of nutrients, signalling molecules, and other essential compounds between cells, allowing for the efficient sharing of resources and the rapid transmission of signals throughout the plant.
What are the structures that help in metabolic communication in humans?In humans, several structures help in metabolic communication between cells like Gap junctions, Desmosomes, Tight junctions, Hemidesmosomes and Tunneling nanotubes.
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What is differentiated adenocarcinoma of the stomach?
Differentiated adenocarcinoma of the stomach is defined as EWDA. This type of tumor resembles more like the normal tissue of the stomach but grows and spreads at a faster rate.
Adenocarcinoma is a type of cancer that mostly forms in the glandular tissue or glands. These tissues mostly line the internal organs that release digestive juices, mucus, and other fluids. Different forms of this cancer affect the breast, lungs, colon, prostate, stomach, and pancreas.
This differentiated adenocarcinoma in the stomach is referred to as gastric-type extremely well-differentiated adenocarcinoma (EWDA). This type of cancer is very rate that is characterized by gastric wall-thickening, infiltration of mucinous glands, and no nuclear atypia. But they mostly resemble normal tissue of the stomach and grow faster.
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look at the diagram, which structure acts as a clamp to hold the mRNA in place?
Answers
•1
•2
•3
•4
please help
The ribosome is the structure that acts as a clamp to hold the mRNA in place.
The structure is 1.
What is the role of the ribosome in protein synthesis?The ribosome, which translates the genetic code generated in mRNA into an amino acid sequence, is universally responsible for protein synthesis. Ribosomes carry out the initiation, elongation, and termination of peptide synthesis using metabolic energy, soluble transfer RNAs, and cellular auxiliary proteins.
The mRNA is held in place by the ribosome which slides it along to be read in the process of protein synthesis.
Ribosomes help in producing new proteins through the translational process that involves three stages:
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Which of the following characteristics are expected in the first animals to have colonized land?I) They were probably herbivores (ate photosynthesizers).II) Animals had four appendages.III) Animals had the ability to resist dehydration.IV) Animals had lobe-finned fishes as ancestors.V) Invertebrates
Answer:
I)They were probably herbivores (ate photosynthesizers).
Explanation:
Hope it helps:)
What do you call the sites where DNA replication and separation occur?
The site where DNA replication and separation occurs is called replication fork.
DNA replication is the process where a segment of DNA makes its own copies. This process occurs inside the nucleus by the action of the enzyme DNA polymerase. After replication, the DNA consists of one parent strand and one newly formed daughter strand.
Replication fork is a Y-shaped structure formed at the DNA where the unwinding takes place. This unwinding occurs to initiate the process of replication. One DNA consists of two replication forks simultaneously. And thus the replication process occurs in two opposite directions at the same time.
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what does it mean if the groundhog doesnt see his shadow?
the bombardier beetle released a chemical from their abdomen in what kind of reaction?
The reaction of a two chemicals combining together in explosive bombardier insect defenses is quite exothermic.It is estimated that the beetle's spray can reach temperatures of up to 100°C.
What is the bombardier beetle's chemical reaction?When the two glands' contents are combined, oxygen is created, which then interacts with hydroquinone to produce benzoquinone.Because of how exothermic this reaction is, the chemical mix can heat up to 100 degrees Celsius.
Bombardier beetles employ chemical processes in what ways?The beetle creates a mixture of substances inside its body when it is harmed, which causes a quick chemical reaction.
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what is the reasoning why basic dyes stain the bacteria cells?
Basic dyes have a positive charge that attracts and binds to the negatively charged bacterial cell wall and cytoplasmic components.
What is the main factor that allows basic dyes to stain bacterial cells?Basic dyes have a positive charge that enables them to bind to the negatively charged bacterial cell wall and cytoplasmic components, allowing them to stain the cells.
Why are basic dyes commonly used in bacterial staining techniques?Basic dyes are frequently used in bacterial staining techniques because they have a strong affinity for bacterial cells and can produce vivid and contrasting colors that allow for easy visualization of the cells under a microscope.
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If a population was void of predators, and the organisms were able to satisfy their needs, the population would experience
If a population was void of predators, and the organisms were able to satisfy their needs, the population would experience exponential growth, option A.
What is exponential growth?Exponential growth is a type of population growth pattern in which the number of individuals in a population increases at an accelerating rate, leading to a J-shaped curve on a graph over time. In this type of growth, the rate of increase is proportional to the current population size, meaning that as the population gets larger, the rate of growth also gets larger.
This can occur in populations with unlimited resources and no limiting factors, such as predators or competition, but it is not sustainable in the long term as resources eventually become limited.
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Solar power uses cells or panels to absorb the sun's energy. That energy is then used to create electricity. How does this compare to the light dependent reactions of photosynthesis?
Solar power and the light-dependent reactions of photosynthesis both utilize the energy from the sun to produce a form of energy.
What is solar power?In solar power, the sun's energy is absorbed by photovoltaic cells or panels, which then converts it into electricity that can be used to power homes, businesses, and other applications. In photosynthesis, the light energy is absorbed by pigments in the chloroplasts of plants, which then drives a series of chemical reactions that convert carbon dioxide and water into glucose (sugar) and oxygen. The glucose is then used by the plant as an energy source.
So, while both processes make use of the sun's energy, they differ in terms of the form of energy produced and the specific mechanisms used to convert the sun's energy into a useful form. Solar power is a human-engineered technology that converts light energy into electricity, while photosynthesis is a natural process that occurs in plants and converts light energy into chemical energy in the form of glucose.
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explain the arrangement of phospholipids in the membrane.
Being cylindrical, phospholipid molecules spontaneously form bilayers in aqueous environments. In this energetically most-favorable arrangement, the hydrophilic heads face the water at each surface of the bilayer, and the hydrophobic tails are shielded from the water in the interior.
What is cell membrane ?All cells contain a membrane that separates the interior from the external environment. This membrane is known as the cell membrane or the plasma membrane. A lipid bilayer that is semipermeable makes up the cell membrane. The transfer of materials into and out of the cell is controlled by the cell membrane.
The plasma membrane's phospholipids are organised in two layers, known as phospholipid bilayers, with an exterior that is hydrophilic (or water-loving) and an interior that is hydrophobic (or water-hating).
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what is the definition of a desert
Deserts refers to the dry lands with very less resources, minimal water and thorn like plants growing everywhere.
There are several kind of landforms present on Earth such as mountains, plateaus, hills, rivers and deserts. These landforms have different climate, various animal species and plants species and natural beauty along with differing importance. While river side are considered as highly fertile, deserts are highly dry in nature. Deserts are home to animals and plants who do not need much water for their survival.
Deserts have very low rainfall, sandy soil and highly segregated vegetation. The abundance of thorn plants is because of the adaptation to restore maximum amount of water. The Sahara desert is among the largest spread desert in the world. Thar desert in India is the largest desert of the country. Temperature in deserts vary severely that is it is very high in summers or day time and very cold in winters or night time.
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T/F? Human body cells with 46 total chromosomes are called gametes and are haploid.
True. Gametes, which have 46 chromosomes overall, are haploid human body cells.
A pair of nonhomologous chromosomes and two sets of 22 homologous pairs make up the 46 chromosomes found in human somatic cells. The 2n, as well as diploid, state, is this. One complete pair of chromosomes, or 23 chromosomes, is present in each human gamete. The n, as well as haploid, phase is this. Two complete pair of chromosomes are present in a diploid cell. The majority of human cells are diploid, with 23 chromosomal pairs totaling 46 chromosomes. Every human cell in the body has 23 pairs of these chromosomes, making our diploid number 46 and our 'haploid' number 23.
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What comes before protein synthesis?
Translation is the method through which the mRNA creates a certain protein's code. The mRNA created from DNA is converted into a chain of certain amino acids by the ribosome throughout this step.
Protein synthesis results from the amino acid sequence. The charged tRNA provides the necessary energy for the reaction, which necessitates the use of ATP. Ribosomes contain the entire translational apparatus.
The DNA contains instructions for making proteins, and the body depends on those instructions being used to make the proper proteins in accordance with its requirements.
Cells are where protein production happens. In prokaryotes, it happens in the cytoplasm. The DNA coding sequence is initially translated into mRNA in eukaryotes in the nucleus.
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What do phagocytosis pinocytosis and receptor-mediated endocytosis all involve?
Particles that are too big to passively pass through the cell membrane are taken inside via endocytosis. Pinocytosis sucks in liquid particles, whereas phagocytosis takes in large food particles.
What is cell membrane?Every cell has a cell membrane, sometimes referred to as a plasma membrane, that divides the interior of the cell from the exterior. The cell membrane is a lipid bilayer that is semipermeable. The cell membrane regulates the flow of materials to and from the cell..
What are the cell membrane's four primary roles?Identification, communication, control of solute exchange across the membrane, and insulation of the cytoplasm from surrounding environment are the four primary roles of the plasma membrane.
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what occurs in natural selection? (write full sentences)
Answer:
Natural selection is the process by which certain traits become more common in a population due to the survival and reproduction of individuals with advantageous traits in response to environmental pressures. This can lead to the evolution of new species over many generations. Conversely, individuals with less advantageous traits are less likely to survive and reproduce, resulting in a decrease in the frequency of those traits in the population. Natural selection is a crucial mechanism of evolution that drives changes in the traits and characteristics of populations over time.
Answer: genetic mutations that are beneficial to an individual's survival are passed on through reproduction.
Explanation: I hope this helps
What are the ASL classifiers?
American Sign Language (ASL) classifiers are handshapes that represent nouns and verbs and are used to provide more detail and specificity to signs.
They are an important part of ASL grammar and syntax and can convey information about size, shape, movement, location, and orientation. There are various types of classifiers in ASL, including descriptive classifiers, locative classifiers, and instrument classifiers, among others.
Each type of classifier is associated with a specific type of noun or verb and has a unique handshape and movement pattern. For example, a classifier used to describe the shape of an object might use a handshape that resembles the object, such as a flattened "O" shape to describe a round or flat object.
A locative classifier might use a handshape to indicate the location of an object in space, such as a "C" shape to represent a person or animal standing or walking. Classifiers are an important aspect of ASL proficiency and are taught and practiced extensively in ASL classes and programs.
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oocytes complete meiosis ii before they are fertilized.
The optional oocyte remains halted in meiosis II until a sperm cell prepares it. This starts the egg to finish meiosis II. During meiosis II, the copied chromosomes are parted into a polar body and an adept ovum.
As of now, the haploid cores of the egg and sperm can break to shape the zygote.
After ovulation, the oocyte is captured in the metaphase of meiosis II until preparation. At preparation, the optional oocyte finishes meiosis II to frame an experienced oocyte (23,1N) and a second polar body.
Meiosis II happens following the sperm enters the auxiliary oocyte. The oocyte is obstructed in the metaphase of meiosis II after ovulation preceding preparation. Meiosis is a cycle that happens in the ovaries of females during the improvement of mature gametes or eggs.
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