Multiple Choice
Which of the following can be achieved by obtaining a small amount of a person's DNA?
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7. DNA and Chromosome Structure
DNA as the Genetic Material
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When comparing DNA and RNA viruses, which statement is correct?
A
DNA viruses replicate exclusively in the cytoplasm of host cells.
B
DNA viruses cannot infect eukaryotic cells.
C
RNA viruses use DNA polymerase for genome replication.
D
RNA viruses generally have higher mutation rates than DNA viruses.
Verified step by step guidance1
Step 1: Understand the basic differences between DNA and RNA viruses, focusing on their replication sites and enzymes involved.
Step 2: Recall that DNA viruses typically replicate in the nucleus of eukaryotic host cells, not exclusively in the cytoplasm.
Step 3: Recognize that DNA viruses can infect eukaryotic cells, so the statement that they cannot is incorrect.
Step 4: Know that RNA viruses generally use RNA-dependent RNA polymerase for genome replication, not DNA polymerase.
Step 5: Understand that RNA viruses have higher mutation rates because RNA polymerases lack proofreading ability, leading to more replication errors compared to DNA viruses.
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