An amoeba is a single-celled organism that feeds on algae, plant cells, and bacteria. when an amoeba feeds, it first makes contact with the food particle. next, the amoeba starts to surround the particle. once the particle is completely engulfed, it is surrounded by a layer of the amoeba's membrane, forming a vesicle. the ph in the vesicle is then lowered and the contents are degraded. what type of transport is involved in this process? a. endocytosis b. diffusion c. exocytosis d. passive transport
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This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.
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Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.
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Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false
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An amoeba is a single-celled organism that feeds on algae, plant cells, and bacteria. when an amoeba...
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