You Have Learned That Having Linear DNA Has Consequences, the Major

question 148

Multiple Choice

You have learned that having linear DNA has consequences, the major one being that the DNA gets shortened every time it replicates, something that does not happen with the circular DNA found in prokaryotes. What, then, is the advantage of having linear DNA?

• A)Linear DNA is easier to package than circular DNA.
• B)Linear DNA is less susceptible to viruses than circular DNA.
• C)Since mitochondria and chloroplasts have circular DNA, nuclear DNA had to be linear.
• D)Replication can begin from multiple sites on linear DNA, allowing rapid replication and relieving the evolutionary pressure for a streamlined genome.
• E)All of these choices are correct.

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