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how do chemsynthetic bacteria get energy? (apex)

a) they carry out photosynthesis

b)they carry out digestion

c) they convert carbon dioxide and sunlight into sugar

d) they convert carbon dioxide or methane into food without light,

Secondary succession would most likely be taking place in a(n)

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.