Which of the following is the key regulatory enzyme in glycolysis?

a. phosphofructokinase
b. pyruvate dehydrogenase
c. citrate synthase
d. isocitrate dehydrogenase
e. PEP carboxylase


Answer: a. phosphofructokinase

Biology & Microbiology

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If the frequency of a recessive allele is 36 percent,

the frequency of the dominant allele is what percent? a. 5 b. 8 c. 25 d. 48 e. 64

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Island biogeography theory predicts that a 10-fold increase in area results in

A) a 10-fold increase in species number. B) a doubling of species number. C) a tripling of species number. D) no effect on species number.

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A possible mutagen is

a. UV light b. translocation c. an anticodon d. hemoglobin

Biology & Microbiology

Viruses can infect all known cell types.  Specifically, the viruses that infect bacterial cells are called ________.

What will be an ideal response?

Biology & Microbiology