Question
Biology Question on Enzymes
Which of the following enzymes is used to join bits of DNA?
A
Ligase
B
Primase
C
Endonuclease
D
DNA polymerase
Answer
Ligase
Explanation
Solution
Ligase is an enzyme that catalyses the bond formation between fragments of DNA. This catalytic reaction will only take place at the expense of the breakdown of ATP or other nucleotide triphosphate.