Plant cells release hydrogen ions and oxygen from H2O molecules in ____.
A. photosystem I
B. photosystem II
C. cyclic photophosphorylation
D. the light independent reaction
E. carbon fixation
Answer: B
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Which plant trait is least likely to deter herbivory?
a. Thorns b. Rapid growth cycle c. Tough leaves d. Indigestible material in the bark of the plant e. Toxins in the leaves
Nitrogen-fixing bacteria convert atmospheric N2 into
A. methane. B. nitrates. C. nitrites. D. ammonium. E. carbon dioxide.
Which classification includes animals that eat only meat?
a. herbivore b. carnivore c. omnivore d. decomposer e. photosynthetic organism
Please select the possible transmission methods for botulism.
> Ingestion of contaminated food > Aerosols > Contaminated soil or dust gets into a wound > Bite of insect vector > Sexual intercourse