False. You sample 40 people having genotype AA, 60 participants having genotype Aa, & 100 individuals having genotype aa while you are examining one genetic locus inside a population of wombats. The an allele occurs exactly twice as frequently as the A allele.
Squaring the genotype frequencies A yields the genotype AA frequency. By dividing the incidence of genotype A by two and by the frequency of genotype a, one may calculate the probability of genotype Aa. By squaring a, one may determine the frequency of aa. You sample 40 people having genotype AA, 60 participants having genotype Aa, & 100 individuals having genotype aa while you are examining one genetic locus inside a population of wombats. The an allele occurs exactly twice as frequently as the A allele.Try altering p and q to different numbers while making sure that p and q are always equal to 1. The frequency of an allele is determined by dividing the population's observed frequency of the relevant allele.
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100 points and brainliest to whoever is right
The complementary DNA sequence for the parent DNA strand AGTCCATG would be TCAGGTAC.
In the base pairing model of DNA replication, the complement of adenine (A) is thymine (T), and the complement of cytosine (C) is guanine (G). Therefore, for every A in the parent DNA strand, there will be a T in the complementary strand, and for every C in the parent DNA strand, there will be a G in the complementary strand.
So, the complementary DNA sequence for AGTCCATG would be TCAGGTAC.
the layer of the skin called the lacks blood vessels is ?
The deepest layers of the epidermis are supplied by diffusion from blood capillaries found in the top layers of the dermis because the epidermis lacks blood vessels.
Which layer of skin is devoid of blood vessels?the epidermis The keratinized, stratified squamous epithelium makes up the epidermis. Depending on where it is located in the body, it has four or five layers of epithelial cells. It does not contain any blood vessels.
Why is the epidermis blood vessel-free?Because it is primarily composed of dead cells that are regularly shed off, the epidermis lacks blood arteries and nerves in contrast to the dermis and hypodermis. The division of cells produces new cells that are continually replacing the dead skin cells.
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which valves separate the atria from the ventricles
Answer: Heart valves.
Explanation: I looked it up.
What is the function of sugar in DNA?
The sugar molecule in DNA is called deoxyribose, and it has an important function as it serves as a component of the nucleotides that make up the DNA molecule.
The sugar molecule in DNA provides the backbone for the nucleic acid chain. The deoxyribose sugar molecule in DNA has a five-carbon ring structure, and the phosphate groups attach to the 5' carbon of one sugar molecule and the 3' carbon of the adjacent sugar molecule. This creates a sugar-phosphate backbone for the DNA molecule.
The nitrogenous bases (adenine, guanine, cytosine, and thymine) are attached to the 1' carbon of each sugar molecule, and they form the rungs of the DNA ladder by pairing up in specific ways (adenine with thymine and guanine with cytosine) through hydrogen bonding.
Together, the sugar, phosphate, and nitrogenous base molecules make up the nucleotides that form the DNA molecule. The specific sequence of these nucleotides in DNA carries the genetic information that is passed from one generation to the next.
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Which domain contains organisms having a membrane bound nucleus?
eukaryotic creatures with a membrane-bound nucleus are classified as eukarya .
Which domain houses a nucleus that is membrane-bound?Eukaryotes were organisms whose cells have membrane-bound organelles in addition to a nucleus.Eukaryotic creatures come in a great variety, including most algae, all animals, plants, fungus, and protists.
Are domain bacteria's nuclei membrane-bound?Organelles and other interior membrane-bound structures are absent from bacterial and archaeal cells.Archaea and bacteria lack a nucleus that separates its genetic material from of the rest of the cell, in contrast to eukaryotes.
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which organelle displays structural directionality?
The microtubules show structural directionality withinside the eukaryotic cell.
Tubulin-containing protein subunits make up the cylindrical, long, and skinny microtubules. They are vital elements of the cytoskeleton, which offers eukaryotic cells their shape and stability. Because they've a plus give up and a minus give up, microtubules are polar and extraordinarily directed. In maximum cases, a microtubule's plus give up expands and increases, while the minus give up generally contracts and collapses. This directional characteristic is vital for numerous mobile functions, such as chemical transport, mobile migration, and cell division.
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walking along a large city park on a hot summer day, you look for a cool resting place and sit down on a large rock under a willow tree, at the quiet edge of a stream. you have searched for and found an example of a ___
Walking along a large city park on a hot summer day, you look for a cool resting place and sit down on a large rock under a willow tree, at the quiet edge of a stream. you have searched for and found an example of a natural oasis.
A natural oasis is a place in a typically urban environment where nature can thrive and provide a respite from the built-up surroundings.
It is a peaceful, calming environment where people can take a break from the hustle and bustle of city life and connect with nature. In this case, the willow tree and the stream provide shade and the sound of running water, which can create a cooling effect and make the area feel more refreshing. The rock provides a place to sit and enjoy the surroundings, making it a perfect natural oasis to escape the heat of a summer day in the city.
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leaf-like structures of seaweeds are known as
The leaf-like structures of seaweeds are known as "blades."
These content loaded leaf-like structures are the primary site of photosynthesis for the seaweed, and they can come in a variety of shapes and sizes.
Some blades are thin and ribbon-like, while others are broad and flat. Some seaweeds have a single blade, while others have multiple blades attached to a central stem or stipe. Regardless of their shape or number, the blades of seaweeds are an important part of the organism's structure and function.
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List the basic principles of genetics that Mendel discovered in his experiments!
Mendel's experiments with pea plants, he discovered several basic principles of genetics that laid the foundation for modern genetics.
Mendel's principles include the law of segregation, the law of independent assortment, and the concept of dominant and recessive alleles.
(I) Law of segregation states that during the formation of gametes, two alleles for a gene segregate from each other, so that each gamete only carries one allele.
(II) Law of independent assortment states that segregation of alleles for one gene is independent of alleles for another gene.
Mendel also observed that some traits are dominant while others are recessive. This concept of dominant and recessive alleles explains how traits can be passed down to offspring, and how genetic disorders inherit.
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What are the different types of metabolism in humans?
Anabolism and catabolism are the two types of metabolism in humans.
Metabolism is a physiological process that occurs in the body so as to provide energy to the body to perform various bodily functions. It is a significant process to sustain life on earth. It can occur in two ways- anabolism or catabolism. The constructive processes occurring in the body are referred to as anabolism, while destructive processes are referred to as catabolism.
The anabolic pathways are the processes that helps in building complex body molecules from simpler substances and need energy for the conversion. For instance, making up of proteins from amino acids. On the other hand, catabolic pathways destruct the complex molecules into simpler substances, like that of breaking down of food. Catabolic pathways yield energy.
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Any substance that enters or leaves your body must cross neural tissue. secretory tissue. muscle tissue. connective tissue. epithelial tissue.
A closely packed continuous layer of cells forms the issue. The epithelium tissue has one surface that is either open to the environment outside or to bodily fluids. The membrane that connects the other surface to the tissue is made up of fibers and polysaccharides that are produced by epithelial cells.
There isn't much intercellular substance between cells. The epithelium's cells are connected by specialized junctions that join individual cells together.
Tight junctions: They stop tissue leaking
Adhering junctions: maintain the nearby tissues firmly adhered to one another.
The flow of ions and molecules through the tissue is facilitated by gap junctions.
Membranes are created by epithelial cells. There is connective tissue beneath the layer of epithelial tissue that makes up the epithelial membrane. The mucous membrane and the serous membrane are the two different kinds of epithelial membranes.
Mucosa is another name for the mucous membrane. Goblet cells, which produce mucus, are present. Mucus facilitates lubrication, protection, and simple material mobility. The drying of tissues is stopped. It borders internal bodily compartments like the digestive and respiratory systems, which are accessible from the outside.
Serous membrane: The lining of the pleural cavity and pericardial membranes are examples of bodily cavities that do not open to the outside of the body. These membranes, which are composed of straightforward squamous epithelium, secrete the fluid from the cavity.
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All the internal structures are suspended ( floating ) in what substance?
Answer:
Which is the fluid that surrounds the cells and tissues.
Explanation:
All the internal structures of the human body are suspended (floating) in a substance called extracellular fluid. This fluid surrounds the cells and tissues and helps to provide a cushioning effect that protects the internal structures from damage. The extracellular fluid also helps to distribute nutrients and oxygen to the cells and remove waste products. The majority of the extracellular fluid is made up of blood plasma and interstitial fluid, which is the fluid that surrounds the cells and tissues.
is the iliacus a muscle that can be found on the surface of the iliac fossa?
The iliacus muscle is fashioned like a triangle, flat and an actual healthy of the iliac fossa — the curved floor of the biggest pelvic bone.
Together with the psoas primary muscle, it's also known as the iliopsoas muscle. A part of this muscle is connected to the iliac fossa, two-thirds from its pinnacle. The iliacus muscle is located on the biggest of the 3 bones of the pelvis: the wing-fashioned ilium. The muscle suits smartly into the curved floor of the ilium, known as the iliac fossa. The pinnacle of the iliacus muscle is connected to the higher "wings" of the ilium, known as the iliac crest. The predominant organs withinside the left iliac fossa are the descending colon, sigmoid colon and, in women, inner reproductive organs. The iliopsoas muscle has essential fascial relationships in its higher or lumbar belly element, in its medial element withinside the iliac fossa close to the inguinal ligament, and in its femoral element withinside the decrease limb.
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what is the center region that releases the hormones epinephrine and norepinephrine?
atp stands for ______ triphosphate, which is a molecule that powers many cellular reactions.
Adenosine triphosphate, usually referred to as ATP, is a small, extremely simple molecule. It can be compared to money, which is the primary economic currency of human society.
What does ATP stand for when it refers to the molecule that fuels several cellular processes, triphosphate?Adenosine triphosphate is used and stored as energy at the cellular level (ATP). The nucleoside triphosphate ATP is composed of adenine, ribose, and three serially bonded phosphate groups.
What does class 9 ATP stand for?Adenosine triphosphate is the official name for ATP. Energy is produced as needed by rupturing the phosphate link in ATP.
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In a leaf, you would expect to find tracheids in thea. Veinsb. Epidermisc. Vascular
In a leaf, you would expect to find tracheids in the (c) Vascular.
In all vascular plants, tracheids perform the functions of providing support and facilitating the upward conduction of water and dissolved minerals; they are the only elements of this kind in conifers and ferns.
Vascular plants, also known as tracheophytes or collectively as Tracheophyta, comprise a wide category of land plants that contain lignified tissues for carrying water and minerals throughout the plant. Vascular plants are classified under the phylum Tracheophyta. In addition to this, they possess a specific non-lignified tissue that is responsible for conducting the products of photosynthesis.
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According to the fluid mosaic model of membranes, membranes consist of:
1. a fluid phospholipid bilayer in which carbohydrates are embedded.
2. mainly phospholipids with scattered nucleic acids.
3. a fluid phospholipid bilayer in which proteins are embedded.
4. a lipid-protein sandwich
According to the fluid mosaic model of membranes, membranes consist of a fluid phospholipid bilayer in which proteins are embedded. Hence, the correct option is (3).
According to the fluid mosaic model, biological membranes are composed of a lipid bilayer with several proteins embedded inside them. Two layers of phospholipids with hydrophilic heads towards the aquatic environment and hydrophobic tails facing each other make up the lipid bilayer. The membrane's fluidity and elasticity are a result of this arrangement. The proteins that make up the membrane can have a variety of purposes, such as acting as receptors for signaling molecules or as channels through which chemicals can travel. Additionally frequently found on the membrane's exterior, where they are joined to lipids or proteins, carbohydrates are crucial for cell recognition and interaction.
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What is the structure and function of the neuron?
Explanation:
a neuron is made of 2 main parts-
1) a main cell body called cyton
2) a long process called axon
the cell body contains a necleus.the dendrites are cytoplasmic extension of the cell body. from the cell body arises one long process called the axon it's length many vary from few millimetres to 1 meter the end of the axon terminates in a number of branched filaments called terminal branches
there r 3 kinds of neurons-
1) sensory neurones- they carry impulses from the sense organs to the spinal cord or brain
2) motor neurones- they carry impulses from the brain and spinal cord to the muscles and glands
3) association neurons- these transmit impulses from 1 neuron to another via synapse
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what is abg tic tac toe?
ABG Tic Tac Toe is a mnemonic device used to help remember the steps for interpreting arterial blood gas (ABG) results.
ABG tests are used to measure the levels of oxygen, carbon dioxide, and pH in a person's blood. These tests are commonly used to diagnose and monitor respiratory and metabolic disorders.
The ABG Tic Tac Toe method involves organizing the ABG results into a tic-tac-toe grid, with pH, partial pressure of carbon dioxide (PaCO2), and bicarbonate (HCO3-) levels on the horizontal axis and partial pressure of oxygen (PaO2) and oxygen saturation (SaO2) on the vertical axis.
The method helps to identify whether the ABG results indicate respiratory acidosis or alkalosis, metabolic acidosis or alkalosis, or a combination of the two. The mnemonic also helps to identify the compensation mechanism the body is using to maintain pH balance.
Overall, the ABG Tic Tac Toe method is a useful tool for interpreting ABG results and can help healthcare providers make appropriate diagnoses and treatment decisions.
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the process of phages carrying prokaryotic genes from one host cell to another is called
Prokaryotic genes are transferred between host cells by phages. Bacterial DNA is packaged into a capsid by a bacteriophage virus.
What elements make up bacteria?It is a gel-like matrix that contains cell structures like ribosomes, a chromosome, and plasmids as well as water, enzymes, nutrients, wastes, and gases. The cytoplasm and all of its components are enclosed within the cell envelope. Bacteria do not have a nucleus that is enclosed by a membrane, unlike eukaryotic (true) cells.
What was the first name for bacteria?In 1676, Antonie Van Leeuwenhoek made his first observation of bacteria, which he referred to as "animalcules" (from the Latin "animalculum," which means "tiny animal"). Although he observed multicellular organisms in pond water, the majority of animalcules are now referred to as unicellular organisms.
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Dark moths began to outnumber white moths in cities after the Industrial Revolution. What is the most likely reason for this change?
Light-colored moths mutated into dark colored moths.
Light-colored moths began to die due to overpopulation.
Light-colored moths were less favored for survival in the new environment.
Light-colored moths began to turn black because of factory pollution.
However, as a result of the industrial revolution, the environment's lichen population declined, smoke and soot levels rose, and the colour of the trees seemed darker, which aided the black moths.
Why did black moth populations increase following the Industrial Revolution?Scientists have discovered the specific mutation that caused the famed blackening of moths during the Industrial Revolution. In a classic evolutionary case study, during the 1800s, a black version of the peppered moth quickly overran industrial areas of the UK.
Why do black moths outnumber white moths?As a result of his observations, field research, and aviary tests, he was able to confirm his predictions that black moth populations would increase as a result of improved camouflage and decreased predation by other insects.
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Assertion :Trichonympha is a cellulose-digesting insect- gut zooflagellate. Reason: The protozoan secretes glucosidases which convert cellulose into glucose.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
C. Assertion is correct but Reason is incorrect.
D. Both Assertion and Reason are incorrect.
Claim: The zooflagellate Trichonompha digests cells and lives in the guts of insects. Both Assertion & Reason are accurate explanations of Assertion, and Reason seems to be the proper one.
What benefits does a Trichonympha provide for termites?Trichonympha are single-celled creatures that are one of the many different forms of endosymbionts that reside inside the termite. The enzymes required to transform the plant material in wood onto the carbohydrates and sugars that perhaps the termite may consume are found in trichonympha.
Trichonympha: Is it harmful?The relationship between Trichonympha as well as lower termites/wood roaches is extremely advantageous to both parties: Trichonympha aids in the digestion of cellulose for its host in exchange for a regular supply of nourishment and shelter. There are no diseases that Trichonympha species (or termites) transmit to plants or animals.
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The enzyme acetylcholinesterase causes acetylcholine to. A. Bond to actin. B. Be secreted from the motor end plate. C. Decompose D. Form cross-bridges
Acetylcholinesterase (AChE), a cholinergic enzyme, is mostly found in synaptic neuromuscular junctions, especially in muscles and nerves. A neurotransmitter called Efts is swiftly degraded generating vinegar and choline in the body.
Why is acetylcholinesterase necessary?How does acetylcholinesterase function? Acetylcholine is broken down by this enzyme, which prevents a solitary nerve impulse from resulting in many action potentials. The subsequent muscle action potential wouldn't happen until a new neuron action potential causes the emission of additional acetylcholine.
How does acetylcholinesterase degrade acetylcholine?Homolog digests the amide bond of acetylcholine to produce acetic acid and choline. This technique regulates the amount of acetylcholine released from nerve cells at the neuromuscular junction to prevent muscles from becoming overly tight.
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Drag each of the labels into the appropriate position to indicate whether the item is classified as a formed element or a component of plasma.PLASMAGlucoseGamma globulinsHormonesChlorideAlbuminAntibodiesFibrinogenFORMED ELEMENTSRed blood cellsWhite blood cellsNeutrophilsErythrocytesPlateletsLeukocytesMonocytes
PLASMA Glucose, gamma globulins, hormones, chloride, albumin, antibodies, fibrinogen, FORMED ELEMENTS, Hormones Neutrophils, erythrocytes, platelets, leukocytes, monocytes, red blood cells, and white blood cells are all types of blood cells.
How do cells perform their tasks?They give the body structure, absorb nutrients from the diet, transform those nutrients into energy, and perform certain tasks. Furthermore, cells may replicate themselves and hold the body's genetic material. The various components of cells each serve a unique purpose.
How is a cell brought to life?DNA. A double-stranded DNA genome, which contains the necessary information for life, is present in every cell of all life forms and is arranged into one or more chromosomes. This DNA contains the instructions that control how an organism reproduces, consumes food, reacts to environmental cues, and performs any other typical functions.
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what arrangement is not seen in rod shaped cells? coccus shaped cells?
Spiral arrangement is not seen in rod-shaped cells and square arrangement is not seen in coccus-shaped cells.
What is the characteristic arrangement of rod-shaped bacterial cells?Rod-shaped bacterial cells typically arrange themselves in straight lines, clusters, or pairs, and do not exhibit a spiral arrangement.
What arrangement is not seen in coccus-shaped bacterial cells?Coccus-shaped bacterial cells typically arrange themselves in pairs, chains, or clusters, but do not exhibit a square arrangement as their spherical shape does not allow for this type of packing.
What are the possible arrangements of rod-shaped bacterial cells?Rod-shaped bacterial cells can be arranged singly, in pairs, in chains, or in clusters, but they are not arranged in a spiral configuration.
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When molecules move from the area of lower concentration to the area of higher concentration and energy is used, it is called:AFiltrationBOsmosisCActive transportDPassive transport
Active transport is the transfer of molecules from a location of lower concentration to a region of greater concentration across a cell membrane.
How do cell membranes work and what are they made of?Every cell has a cell membrane, often referred to as a cell membrane, that separates the interior of the cell from the outside world. The cell membrane is a lipid bilayer that is semipermeable. The cell membrane regulates the flow of substances to and from the cell.
What material comprises a cell membrane?Cell membranes of living organisms are composed of proteins and lipids. They are mostly made of lipids, therefore only select substances can flow through them. Phospholipid is the most frequent kind of lipids in the membrane. Phospholipids have two layers, either on the outside or within.
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What is the role of the dorsolateral prefrontal cortex?
The dorsolateral prefrontal cortex (DLPFC) is a frontal lobe brain area that is thought to be involved in a variety of higher cognitive activities. This part of the brain is in charge of executive activities including decision making, problem solving, and working memory.
The DLPFC is also linked to abstract thinking, reasoning and cognitive flexibility. The DLPFC is important for behaviour control because it participates in the choosing of appropriate reactions to events as well as the suppression of incorrect responses. Since it is engaged in the processing of information related to accomplishing a certain goal, it is especially critical for the establishment and maintenance of goal-directed actions. The DLPFC also participates in the integration of information from other sources, including as sensory input, emotional states, and social signals.
The DLPFC is engaged in the selection of relevant information from the environment as well as the filtering out of irrelevant information, hence it plays a vital part in attention management. It is also important in the regulation of emotions since it inhibits emotional reactions.
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when a chromosome undergoes a deletion mutation, information is
mutations caused by deletion, amplification, inversion, and translocation. chromosomal deletion mutation. A chromosome is broken in a deletion chromosome mutation, and the
What use do chromosomes serve?Thread-like structures known as chromosomes are found in the nuclei of both plant and animal cells. DNA (a cell's genetic information) is carried by chromosomes, which are made up of histone proteins.
What are chromosomes made of?Let's move on to the features of the chromosome structure. Chromosomes are coiled protein structures that resemble threads. DNA, the building block of all genetic material, is contained in chromosomes in the nucleus of all cells.
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If the organism has one copy of two different alleles
If the organism has one copy of two different alleles, it is said to be heterozygous for that gene. This means that the organism inherits two different versions of the gene, one from each parent.
The two different alleles can either be dominant or recessive. If one allele is dominant, it will be expressed in the organism's phenotype, while the recessive allele will be masked. However, if both alleles are recessive, the recessive trait will be expressed in the organism's phenotype.
Heterozygosity can lead to increased genetic diversity within a population, which can be beneficial for survival and adaptation to changing environments. Additionally, certain genetic disorders require two copies of the same allele to be present for the disorder to be expressed, so heterozygosity can provide protection against these disorders.
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The complete question is-
What is heterozygosity and how can it lead to increased genetic diversity and provide protection against certain genetic disorders?
Which Baltimore classification groups are considered retroviruses? Groups VI and VII. Groups III - V. Any virus can be a retrovirus, if they are lytic as well. Groups I and II. All viruses with RNA as their nucleic acid are retroviruses.
Retroviruses like HIV are a part of Group VI, along with Metaviridae and Pseudoviridae. The Baltimore classification divides viruses into seven categories
How many classes are offered in Baltimore?The seven Baltimore classes of viruses under their modified framework. The exchange of genetic data between mRNA and genomic nucleic acids encapsulated in virions (genomes, for short) is displayed.
What are organisations in Baltimore?The Baltimore classification divides viruses into seven categories (Figure 1): positive single-stranded RNA viruses (Group IV); negative single-stranded RNA viruses (Group V); double-stranded DNA viruses (Group I); single-stranded DNA viruses (Group II); double-stranded RNA viruses (Group III); double-stranded DNA viruses; and positive single-stranded DNA viruses.
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