Multiple Choice
Which of the following is one of the methods used in recombinant DNA research?
A) Antigens are artificially added to the body to stimulate the immune system.
B) Weak electrical currents are used to regrow damaged neurons.
C) Cells with nerve growth factor are implanted to repair severed spinal cord neurons.
D) Enzymes are used to cut chromosomes into pieces.
Correct Answer:

Verified
Correct Answer:
Verified
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