The step involving ATP, hexokinase and the phosphorylation of glucose to glucose-6-phosphate is
A. an example of photophosphorylation.
B. the final step of the Krebs cycle.
C. an example of substrate-level phosphorylation.
D. the first redox reaction of the electron transport system.
E. an example of oxidative phosphorylation.
Answer: C
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The maximum membrane potential that an ion gradient can produce is the
A) action potential. B) membrane potential. C) equilibrium potential. D) actualized potential. E) resting potential
Implantation of the embryo occurs in the
a. ovary. b. uterus. c. vagina. d. oviduct. e. follicle.
If pregnancy occurs, a layer of tissue associated with the embryo secretes the hormone ________, which maintains the activity of the corpus luteum in the ovaries of the mother
Fill in the blank(s) with correct word
A particular gene that controls seed coat color in peas also determines the susceptibility of these peas to a particular
disease. This situation is referred to as: a. variegation. b. polygenic inheritance. c. codominance. d. pleiotropy. e. incomplete dominance.