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34. When electrons flow along the electron transport chain of mitochondria, which of the following changes occurs?
(A) NAD+ is oxidized.
(B) The pH of the matrix is increased.
(C) ATP synthase pumps protons by active transport.
(D) The cytochrome c of the electron transport chain phosphorylates ADP to ATP.
(E) The electron donor of complex I in the chain is FADH2.

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Peipool 高三上 (2021/03/18)

electron-transport-chain-58e3be435f9b58ef7ed96112.jpg#s-768,512

(B) 因為H+被送出粒線體基質，到細胞膜間空間，產生濃度差-->所以粒線體基質H+變少，pH上升

(C) 三磷酸腺苷合酶是一類粒線體與葉綠體中的合成酶，它可以利用膜內外質子的濃度差作為能量源，將ADP與磷酸合成為ATP。 不是耗能的主動運輸


34. When electrons flow along the electr..-阿摩線上測驗