Four of the five substances listed below are
cofactors or coenzymes. Select the exception.
a. mineral
b. water-soluble vitamin
c. metallic ions
d. NAD+
e. protein
Answer: e
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Which of the following is (are) associated with a
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Arrange these components that make up muscle tissue with the smallest component at the top, and the largest component at the bottom.
What is the most plausible explanation for why the male of most bird species have elaborate plumage and mating rituals?
A. sexual selection B. natural selection C. gene flow D. genetic drift
High levels of the fungus Batrachochytrium dendrobatidis were found in a local pond. What do you predict will be the consequence of this fungus?
A. Vegetation levels will decline drastically. B. Lichen populations will increase around the pond. C. Since this is a major pollutant in sewage wastewater, an investigation into the source of the fungus must be undertaken. D. Frog populations will decline. E. Humans in the surrounding area will be vulnerable to pneumonia.