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abigailcayton
09.11.2019 •
Biology
The electron transport chain (etc) is one part in oxidative phosphorylation, which is the last step in cellular respiration.
which of the following is true of the etc?
choose 1
a. the movement of electrons down the etc drives the formation of a proton gradient.
b. the movement of h+ ions across the inner membrane of the mitochondria drives the transfer of electrons down the etc.
c. the movement of h+ ions through atp synthase drives the transfer of electrons down the etc.
d. the movement of electrons down the etc drives the movement of adp and phosphate through atp synthase.
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Ответ:
The movement of electrons down the ETC drives the formation of a proton gradient.
Explanation:
ETC or electron transport chain transfers electron from the donors of electron to the acceptors through the process of redox. This transfer is later coupled with proton transfer throughout the membrane. However, this transfer drives the gradient of proton formation through the ATP synthesis.
The chain includes molecules of enzymes. This chain finally accepts the oxygen molecules by the respiration process in plants. An important ETC is located at the membrane of mitochondria in eukaryotes.
Ответ:
hb
Explanation: