Which is not true about enzymes?
A. Enzymes are found in all cells.
B. Enzymes can be denatured by heat and other agents.
C. Enzymes participate in the cell's chemical reactions.
D. Enzymes are catalysts.
E. Enzymes have high-energy bonds between phosphates.
Answer: E
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Four of the five answers listed below are conditions related to diet. Select the exception
a. colon cancer b. kidney stones c. cardiovascular disorders d. obesity e. Alzheimer's disease
A deletion of one base pair that alters the sequence of codons is called a(n)
A. frameshift mutation. B. oncogene. C. substitution mutation. D. transposon. E. carcinogen.
What is the difference between NAD+ and NADH?
A.) NADH is involved in biosynthetic reactions B.) NADH carries an extra proton and two high energy electrons C.) NADH carries an extra phophate group D.) NADH is an electron acceptor, whereas NAD+ is an electron donor E.) NADH is the oxidized form, while NAD+ is the reduced form
The conversion of glycogen to glucose occurs in the:
A) blood. B) liver. C) spleen. D) pancreas.