A restriction enzyme from a bacterium is able to cut a human's DNA because
A) bacteria and humans are both prokaryotes.
B) all organisms use the same DNA nucleotides.
C) bacteria and humans have identical genomes.
D) a given restriction enzyme can cut DNA at several different sequences.

Question

Quizplus · Accepted Answer

Restriction enzymes recognize specific DNA sequences, and since all organisms use the same DNA nucleotides (A, T, C, G), these enzymes can cut DNA from different species, including humans.

A Restriction Enzyme from a Bacterium Is Able to Cut