What is not an adaptation to avoid overheating and desiccation?
a. A barnacle trapping water inside with calcareous plates
b. A mussel closing its shell at high tide.
c. A crab simply moving towards water.
d. An anemone covering itself with shell fragments.
b
Biology & Microbiology
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The molecule that functions as a corepressor for the trp operon is
A. glucose. B. cAMP. C. tryptophan. D. CAP. E. lactose.
Biology & Microbiology
Which process moves materials against a concentration gradient?
a. active transport b. dialysis c. facilitated diffusion
d. simple diffusion e. osmosis
Biology & Microbiology
Fungi and soil microorganisms provide ____ to ecosystems
a. provisioning services b. regulating services c. carbon sequestration d. hybridization e. support services
Biology & Microbiology
Fast neurons as described in lecture require cytoplasmic signal transduction to open an ion channel.
a. true b. false
Biology & Microbiology