Question

Origin of replication usually contains

• A. GC Rich Sequences
• B. GCG-Rich Sequences
• C. No particular stretch of Sequences
• D. AT-Rich Sequences

Hint:

AT-rich regions are preferred at the origin of replication because \[ \boxed{ \text{A--T pairs have only two hydrogen bonds,} } \] making DNA unwinding easier.

Answer 1

The Correct Option is D