Carbohydrates, lipids, proteins, and vitamins are all examples of
A. nutrients.
B. sources of energy.
C. inorganic compounds.
D. catalysts.
A. nutrients.
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Based on this study, which of the following is true?
a. The researchers have proven their theory. b. The researchers have evidence to support their hypothesis. c. The data from the experiment is inconclusive. d. The researchers must run several more similar trials before their hypothesis is proven.
Fishing populations to low levels can cause a species to
a. relocate to distant locations. b. migrate out of the area. c. switch their prey items. d. become ecologically extinct. e. increase its reproductive rate.
How does the size of fungal hyphae contribute to their ability to decompose detritus?
A. Fungal hyphae have a low ratio of surface area to volume, so they are able to absorb more nutrients. B. Fungal hyphae have high ratio of surface area to volume, so they are able to absorb more nutrients. C. Fungal hyphae have a low ratio of surface area to volume, so they are able to secrete more digestive enzymes into the surrounding environment to break down detritus. D. Fungal hyphae have a high ratio of surface area to volume, so they are able to secrete more digestive enzymes into the surrounding environment to break down detritus.
Many apoenzymes are inactive by themselves and must be activated by
a) cofactors and/or coenzymes. b) ATP. c) holoenzymes. d) substrates.