Question

Which of the following is true about DNA polymerase?

(a) It can synthesize DNA in the 5’ to 3’ direction

(b) It can synthesize DNA in the 3’ to 5’ direction

(c) It can synthesize mRNA in the 3’ to 5’ direction

(d) It can synthesize mRNA in the 5’ to 3’ direction

Answer 1

Right answer is (a) It can synthesize DNA in the 5’ to 3’ direction

Best explanation: DNA pol can synthesize only a new DNA strand not m-RNA. It can do this in the 5’ to 3’ direction.