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artcher [175]
3 years ago
13

One of the most unusual aspects of virus particles is the absence of all organelles and other smaller structures. Whereas cells

have many kinds of organelles, viruses consist of only two parts: a nucleic acid core made of DNA or RNA, and a tough, potective protein shell. Which name is given to this tough shell made of protein?
Biology
1 answer:
liraira [26]3 years ago
7 0

Answer:

The protein covering of a virus is called a capsid.

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Cytotoxic T cells are rapid killers of infected target cells. Within minutes of the interaction of a cytotoxic T cell with a target cell, the program of apoptosis in the target cell is initiated. This rapid activity is a consequence of The extremely rapid production of granzymes and perforin by cytotoxic effector cells upon encountering a target cell.

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2 years ago
Who replaced circles with eclipses in a heliocentric model of the universe
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The person is Kepler
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3 years ago
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What happens in meiosis I and II
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Answer: Both Meiosis I and II have the same number and arrangement of phases: prophase, metaphase, anaphase, and telophase. Both produce two daughter cells from each parent cell. However, Meiosis I begins with one diploid parent cell and ends with two haploid daughter cells, halving the number of chromosomes in each cell.

Explanation:

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The proportions of a population that are at different age levels make up the population’s a. fertility rate. c. age structure. b
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<span>A: The proportions of a population that are at different age levels make up the population’s age structure. </span>
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3 years ago
Help with biology plzz USA test prep
Marina86 [1]

Answer:

see below

Explanation:

amplification: MUTATION = a type of mutation

independent assortment: MENDELIAN = how different

genes independently separate from one another

when reproductive cells develop

nondisjunction: MUTATION = a type of chromosomal

mutation

translocation: MUTATION = another type of chromosomal

mutation

codominance: MENDELIAN = a relationship between two

genes where neither allele is recessive and both

are expressed

insertion: MUTATION = a type of mutation

radiation: MUTATION = causes mutations

virus: MUTATION = causes mutations as the virus

replicates

deletion: MUTATION = a type of mutation

law of dominance: MENDELIAN = one of Mendel's laws

of inheritance

sex linked traits: MENDELIAN = linkage is an exception

to Mendel's law of independent assortment

incomplete dominance: MENDELIAN = when none of the

factors of a gene is dominant and there is a blend,

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law of segregation: MENDELIAN = one of Mendel's laws

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2 years ago
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