Molecular Basis Of Inheritance Question 106
Question: During replication of a bacterial chromosome DNA synthesis starts from a replication origin site and [CBSE PMT 2004]
Options:
A) Moves in one direction of the site
B) Moves in bi-directional way
C) RNA primers are involved
D) Is facilitated by tolemerase
Show Answer
Answer:
Correct Answer: B
Solution:
The two template strands of a replicating DNA molecule are antiparallel $ (5\to 3\grave{\ }and3’\to 5’) $ at the unwinding replication fork (y-shaped).
In bacteria and many DNA phages this extending is bi-directional.
BETA
