AAB MT Molecular Diagnostics Enzymes
Exam Questions And Answers
EcoR1, HindIII, BamHI, NotI, and PacI are all examples of which class
of restriction enzymes? -
correct answer ✅Class II
This class of restriction enzymes account for at least 90% of
enzymes used in molecular biology? -
correct answer ✅Class IIP (Palindromic specificity)
How many base pairs are normally recognized by Class II restriction
enzymes? -
correct answer ✅4-8 base pairs (6-8 allows for larger fragments)
This restriction enzyme class typically recognizes modified
(methylated) DNA? -
correct answer ✅Class IV
This enzyme degrades ssDNA from either the 5' or 3' end? -
correct answer ✅Exonuclease VII
