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例题精讲 · 线粒体「结构—功能对应」
📄 原卷题目


✅ Mark Scheme 得分点(原文)
6(a)
- contents of dishes
- ATP produced
- mitochondria + ADP + Pi + acetyl CoA
- + oxygen
- mitochondria + ADP + Pi + acetyl CoA
- mitochondria + ADP + Pi + low
- concentration of protons (H+)
- mitochondria + ADP + Pi + high
- concentration of protons (H+)
- ;
- ;
- 2 or 3 correct = 1 mark
- 4 correct = 2 marks
6(b)
- two from:
- water enters (mitochondrion / matrix) ;
- by osmosis / down the water potential gradient ;
- membranes ruptured / mitochondrion bursts ;
6(c)
- final electron (and proton) acceptor (in ETC) ;
6(d)
- ATP synth(et)ase ;
- 9700/41
- PUBLISHED
- October/November
- © UCLES 2017
- Page 12 of 19
- Question
- Answer
- Marks
6(e)
- four from:
- (site of) electron transport chain ;
- moves / pumps, protons / H+, to inter-membrane space ;
- electrochemical / proton / H+, gradient ;
- protons / H+, diffuse to matrix ;
- through, stalked particles / ATP synth(et)ase ;
- ADP + Pi Æ ATP ;
- oxidative phosphorylation ;
- 9700/41
- PUBLISHED
- October/November
- © UCLES 2017
- Page 13 of 19
- Question
- Answer
- Marks