In living organisms, the information is stored in the DNA, which is transcribed

Question

In living organisms, the information is stored in the DNA, which is transcribed into RNA. The RNA is read by the ribosome to make proteins. Thus, the flow of information in living organisms is DNA-RNA-Proteins. However, most viruses violate this order. Which of the following are examples of information flow unique to viruses? Select all that apply.

a. Their RNA is reverse transcribed into DNA by reverse transcriptase.

b. Their RNA is read by the ribosome to synthesize proteins

c. Their RNA genome is used to make more copies of RNA for transcroption.

d. The hosts RNa polymerasse transcribes proviral DNa into RNA

Explanation / Answer

a,b,d

a) in case of retroviruses which uses reverse transcriptase

b) in case of positive sense rna viruses

d)where the viral genome is incorporated into host genome

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