NEET Biology question

There are special proteins that help to open up the DNA double helix infront of the replication fork. These proteins are:

(A)DNA helicaseCorrect
(B)DNA polymerase I
(C)DNA ligase
(D)DNA topoisomerase

Answer: (A)

Solution

DNA ligase seals nicks rather than opening the helix, DNA polymerase I fills gaps during replication, and DNA topoisomerase relieves torsional/supercoiling strain rather than

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-124939