Question

Okazaki fragments are formed during

• A. transcription
• B. translation
• C. reverse transcription
• D. DNA replication

Answer 1

Answer: (D)

DNA replication

Answer 2

DNA replication takes place during $S$-phase of interphase. Replication of $3\to 5$ strand of a DNA molecule proceeds continuously its complementary strand therefore it produce leading strand, while the $5\to 3$ strand proceeds discontinuousiy its complementary strand and called lagging strand. The small fragments in lagging strands are called Okazaki fragments.