The GATE Grind

GATE 2024 BT – Question 38

Genetics, Cellular and Molecular Biology · Molecular Biology: Replication, transcription, splicing, translation, non-coding and micro RNA, RNA interference, DNA damage and repair · 2 marks · Multiple choice

Match the enzyme (Column I) with its corresponding function (Column II).

Column IColumn II
P. Primase1. RNA dependent RNA synthesis
Q. Reverse transcriptase2. DNA dependent DNA synthesis
R. RNA Replicase3. RNA dependent DNA synthesis
S. DNA Polymerase III4. DNA dependent RNA synthesis
  1. P-4; Q-1; R-3; S-2
  2. P-2; Q-1; R-3; S-4
  3. P-3; Q-4; R-2; S-1
  4. P-4; Q-3; R-1; S-2

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Correct answer: (D) P-4; Q-3; R-1; S-2

Explanation

Primase makes an RNA primer from a DNA template (4), reverse transcriptase makes DNA from RNA (3), RNA replicase copies RNA into RNA (1) and DNA polymerase III copies DNA into DNA (2).