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Question

Retroviruses have genetic material


A

DNA only

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B

DNA or RNA only

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C

Either DNA or RNA only

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D

RNA only

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Solution

The correct option is D

RNA only


A retrovirus is an RNA virus which is duplicated in a host cell using the reverse transcriptase enzyme to produce DNA from its RNA genome. The genetic material of retroviruses consists of RNA instead of DNA.


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Q. Q. Which of the following statements is/are correct regarding Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA)?

1. Self replication property is exhibited by DNA but not by RNA.
2. Both DNA and RNA can be found in the nucleus of a cell.
3. While DNA transmits the genetic code that is necessary for the protein creation, transmission of genetic information is done by RNA.

Select the correct answer using the code given below:

Q. डीऑक्सीराइबोन्यूक्लिक एसिड (DNA) और राइबोन्यूक्लिक एसिड (RNA) के संबंध में निम्नलिखित में से कौन सा/से कथन सही है / हैं?

1. स्व प्रतिरूप गुण DNA द्वारा प्रदर्शित किया जाता है लेकिन RNA द्वारा नहीं।
2. DNA और RNA दोनों एक कोशिका के केंद्रक में पाए जा सकते है।
3. DNA आनुवंशिक कोड को संचारित करता है जो कि प्रोटीन निर्माण के लिए आवश्यक है।जबकि आनुवंशिक जानकारी को RNA द्वारा हस्तांतरित किया जाता है।

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