The bacteria that cause botulism cannot live in the

presence of
a. carbon dioxide.
b. oxygen.
c. glucose.
d. water.
e. ATP.


Answer: b

Biology & Microbiology

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The hypothalamus releases TRH which stimulates the anterior pituitary to release TSH. Which type of stimuli is this?

a. humoral stimuli b. neural stimuli c. hormonal stimuli d. negative stimuli

Biology & Microbiology

Four of the five answers are correct statements about materials in biogeochemical cycles. Select the exception

a. They pass from environmental reservoirs to living organisms. b. They move slower than elements in living systems move. c. They eventually move from living organisms back into environmental reservoirs. d. They may include rocks and sediments, waters, and atmosphere reservoirs. e. They are unidirectional, moving from the environment to living organisms.

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Polar, water-soluble hormones usually affect cells by binding to intracellular receptors.

a. true b. false

Biology & Microbiology

How are the light reactions and the Calvin cycle related to each other?

What will be an ideal response?

Biology & Microbiology