- Home
- Standard 12
- Biology
5.Molecular Basis of Inheritance
medium
What is the error in above diagram?
A
Arrows are wrongly depicted
B
Polarity is incorrect
C
Both arrows and polarity are incorrect
D
None of the above
(AIIMS-2009)
Solution
The figure below is the replicating fork of $DNA$. The $DNA$ replication takes place in $5'$ to $3'$ direction always. On the leading strand $DNA$ replication is continuous while on lagging strand $DNA$ replication is discontinuous. The polarity of lagging strand is incorrect in the given figure. The correct figure should be
Both the strands are antiparallel. In one strand carbon of sugar are in $3' -5'$ direction and in other the carbon of sugar are in $5' -3'$ direction.
Standard 12
Biology
