Restriction enzymes are
A. endonucleases.
B. proteases.
C. lipases.
D. exonucleases.
Answer: A
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The digestion of proteins in humans begins in the
a. large intestine. b. mouth. c. pancreas. d. small intestines. e. stomach.
A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called ________ culture system.
A. semicontinuous B. fed-batch C. continuous D. batch
Chemical reactions that have a positive G are ____
Fill in the blank with the appropriate word.
What is the purpose of the lac operon, and under what circumstances is it activated? Describe the structure of the lac operon, including the repressor protein, structural genes, and regulatory regions of the operon
What is the role of catabolite repression in the lac operon?