SCIN 130 Quiz 5 | Score 82/100 | American Military University

Quiz 5 - Results

Attempt 1 of 1

2026

Attempt Score: - 82 %


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Question 1

What is a DNA mutation?

Question options:


a permanent change in the DNA sequence


a change to the RNA sequence of an individual


a method to keep all individuals of a species the same


a mistake in the DNA sequence that can be fixed

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Question 2

Which statement best describes eukaryotic chromosomes?

Question options:


Single-stranded, circular


Single-stranded, linear

, Double-stranded, circular


Double-stranded, linear

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Question 3

What are the three components needed for protein synthesis?

Question options:


DNA, nucleus, ribosome


DNA, lysosome, exon


mRNA, DNA, ribosome


mRNA, tRNA, ribosome

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Question 4

Which nitrogenous base is present in RNA and not DNA?

Question options:


thymine


guanine

uracil

, cytosine


adenine

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Question 5

How is it possible that each daughter cell during cell replication receives an
identical copy of the DNA?

Question options:


DNA is not identical in every cell, so all daughter cells have different copies


DNA is replicated following mitosis or meiosis, so is transferred after the new cells


DNA is replicated individually in each new cell after meiosis and mitosis


DNA is replicated during the synthesis phase of the cell cycle, prior to mitosis or m

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Question 6

Why does one strand of DNA replicate as a continuous strand, and the other
in fragments?

Question options:


they are parallel, and DNA polymerase can synthesize in either direction