The recognition site of some restriction enzymes are shown.Which will produce sticky ends?
A)EcoRI G↓AATTC.
B)SmaI CCC↓GGG.
C)XhoI C↓TCGAG.
D)Both EcoRI and XhoI.
E)All the enzymes shown will leave sticky ends.

Question

Quizplus · Accepted Answer

EcoRI and XhoI both recognize specific sequences and cut within these sequences, leaving overhanging, or "sticky," ends. SmaI, on the other hand, cuts in a way that leaves blunt ends, not sticky ends.

The Recognition Site of Some Restriction Enzymes Are Shown