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Cambridge AS & A Level Biology 9700 — Revision Notes

1 · Cell Structure

0/26

2 · Biological Molecules

0/51

3 · Enzymes

0/29

4 · Cell Membranes and Transport

0/41

5 · The Mitotic Cell Cycle

0/21

6 · Nucleic Acids and Protein Synthesis

0/22

7 · Transport in Plants

0/28

8 · Transport in Mammals

0/39

9 · Gas Exchange

0/13

10-11 · Infectious Disease and Immunity

0/43

12 · Energy and Respiration

0/37

13 · Photosynthesis

0/23

14-15 · Homeostasis and Control

0/57

16 · Inherited Change

0/34

17-18 · Selection, Evolution, Classification and Conservation

0/69

19 · Genetic Technology

0/44

Other lessons

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Quiz

12.2.7 Aerobic Respiration- Oxidative Phosphorylation – Exam questions

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  • Questions count: 6
  • Passing grade: B+
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1.
Which statement best describes Oxidative phosphorylation?
An electron carrier coenzyme that is reduced to NADH by accepting 2 electrons and a proton.
ATP synthesis powered by the electron transport chain and chemiosmosis.
Use of an H+ gradient across a membrane to drive ATP synthesis by ATP synthase.
Conversion of pyruvate to acetyl CoA in the mitochondrial matrix, releasing CO2.
2.

The final electron acceptor in oxidative phosphorylation is

NAD
FAD
oxygen
water
3.
Protons are pumped into which region during oxidative phosphorylation?
Matrix
Cytoplasm
Intermembrane space
Stroma
4.
Which statement best describes Final electron acceptor?
Oxygen, which accepts electrons and protons at the end of the ETC to form water.
The movement of protons down their electrochemical gradient through ATP synthase, driving ATP synthesis.
The production of ATP using energy released as electrons pass along the electron transport chain, with oxygen as the final electron acceptor.
The extra oxygen needed after exercise to oxidise lactate and restore ATP and oxygen stores.
5.
Chemiosmosis occurs in I. mitochondria, II. nuclei, and III. chloroplasts. Which combination is correct?
Chemiosmosis occurs in I. mitochondria, II. nuclei, and III. chloroplasts. Which combination is correct?
I only
II only
III only
I and III
6.
Which of these is the last stage of cellular respiration in which the oxidation of organic molecules derived from glucose yields ATP?
SAT Biology - Question 032
A
B
C
D
E
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Part of 12 · Energy and Respiration — see every lesson and quiz in this unit.
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