question_answer

Match column-I with column-II and select the correct answer using the codes given below.

	Column-I		Column-II
A.	Helicase	I.	Joining of nucleotides
B.	Gyrase	II.	Opening of DNA
C.	Primase	III.	Unwinding of DNA
D.	DNA polymerase	IV.	RNA priming

A) A-II;     B-I;     C-III;    D-IV

B) A-II;     B-I;     C-IV;    D-III

C) A-IV;    B-III;   C-I;      D-II

D) A-II;     B-III;   C-IV;    D-I