question_answer 35)

  In some viruses, DNA is synthesized, be using RNA as template. Such a DNA is called (a) A-DNA                           (b) B-DNA                           (c) c-DNA                             (d) r-DNA

Answer:

                  (c) In some viruses, like retroviruses (e.g., HIV), an enzyme called reverse transcriptase isused to generate complementary DNA (cDNA) from an RNA template. This process is termed reverse transcription.