Question

An enzyme in a cell became dysfunctional because of an alteration. As a result, the DNA strands would not separate to begin the replication process. Which enzyme has been affected?
A.
DNA ligase
B.
DNA polymerase
C.
helicase
D.
RNA primase
E.
topoisomerase

Answer 1

Draw the diagram of female reproductive system and match and mark the part(s): 5

i) Where block is created surgically to prevent fertilization.

ii) Where CuT is inserted?

iii) Inside which condom can be placed.

b) Why do more and more people prefer to use condoms? What is the principle behind use of condoms