MCQ Practice

The restriction end onuclease Eco521 recognizes the sequence C/GGCGG and cuts between the first C and the first G, indicated by the slash. DNA cut by which of the following enzymes (given with their recognition sequences and cut sites) could be cloned into a plasmid digested with Eco521?

A

EcoRI (G/AATTC)

B

XmaIII (C/GGCGG)

C

SmaI (CCC/GGG)

D

SacII (CCGC/GG)

Correct Answer: B