Creatine phosphate (marketed as "creatine") is a popular supplement taken by weightlifters and other athletes. What might the phosphates in this supplement be expected to do?
A) They readily allow for the regeneration of ATP.
B) They break down glucose during the citric acid cycle.
C) They accept electrons at the end of the electron transport chain.
D) They ensure ATP is never broken down into ADP.
A
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The life cycle of a zygomycete differs markedly from that of animals because in this fungus, ____
a. a sexual stage is absent b. mitosis occurs in the haploid growth stage c. there is no fusion of nuclei d. mitosis occurs to produce the haploid reproductive cells e. a diploid stage is absent
Although prion infectious agents are more closely related to viruses than any other kind of infectious agents, there are still some major differences between the two. Which statement describes a major difference?
A. Viral infections can always be treated and cured, whereas prion diseases cannot. B. Viruses can be transmitted by animal to human or human to human, but prions are always human to human transmission. C. Prions are not destroyed by heat, but viruses can be inactivated by heat. D. Viruses do not contain protein, whereas prions do.
DNA synthesis proceeds by the elongation of primer chains, always in the
A. 5' to 3' direction. B. 3' to 5' direction. C. 5' to 5' direction. D. 3' to 3' direction.
What is another name for a nonenveloped virus?
A) enveloped virus B) provirus C) naked virus D) latent virus