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(30 points) please help {BRAINLIEST}
How does a type II restriction enzyme generate blunt ends?

A. It cuts both strands in the middle of a recognition site.
B. It cuts only one strand up to 25 base pairs away from the recognition site.
C. It cuts both strands to have unpaired nucleotides.
D. It cuts only one strand in the middle of a recognition site.

Respuesta :

Answer:

A!

Explanation:

A. Sal I is a restriction endonuclease isolated from Streptomyces albus. It produces sticky ends by making the cut in the nucleotide sequence G/TCGAC B. Eco RV is type II restriction endonuclease isolated from Escherichia coli which produces blunt ends by