Protein catalysts involved in the acceleration of the rate of chemical reactions are called
A) catalytic converters.
B) growth agents.
C) evolutionary molecules.
D) enzymes.
Answer: D
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In the life cycle of bryophytes, which of the
following dominates?
a. gametophyte stage b. sporophyte stage c. haploid stage and sporophyte body d. diploid stage and gametophyte body e. the gametophyte and the sporophyte bodies both dominate
Which letter in the accompanying figure represents the ovary in which haploid germ cells form by meiosis and gametes
form when these cells divide by mitosis? a. A only b. B only c. C only d. D only e. both A and D
Each NADH produced in the cytoplasm by
glycolysis yields how many molecules of ATP if it is used in electron transfer phosphorylation in liver, heart, or kidney cells? a. 2 b. 3 c. 4 d. 6 e. either 2 or 3
A tautomer is an uncommon form of DNA base that naturally exists along with the common form
Indicate whether the statement is true or false