Reverse transcriptase is found in
Correct answer: B. Retroviruses
- A. All bacteria
- B. Retroviruses
- C. All eukaryotes
- D. Plants only
Explanation
Reverse transcriptase synthesizes DNA from an RNA template, found in retroviruses like HIV.
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About Structure of DNA
DNA structure includes nucleotides made of deoxyribose, phosphate and nitrogenous bases, arranged in two antiparallel polynucleotide strands. Questions cover the double helix, phosphodiester and hydrogen bonds, complementary base pairing between adenine and thymine and between guanine and cytosine, and the significance of major and minor grooves.
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