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1. what are the products of the citric acid cycle?
- carbon dioxide, NAD and a little ATP
- carbon dioxide, NADH and a little ATP
- Oxygen, NADH and a little ATP
- carbon dioxide, NADH and a little ADP
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2. Why is the first stage of glycolysis described as the energy investment stage?
- 36 ATP molecules are used up, to enable phosphorylation of carbon dioxide
- 2 ATP molecules are made, to enable phosphorylation of glucose.
- 2 ATP molecules are used up, to enable phosphorylation of glucose.
- 2 ATP molecules are made, to enable phosphorylation of pyruvate.
3. Where does the electron transport chain happen in the cell?
- cytoplasm
- ribosome
- cristae of the mitochondria
- matrix of the mitochondria
4. What 3 stages does aerobic respiration consist of?
- Glycolysis, the citric acid cycle and the electronic transmit chain.
- Glycolysis, the citric acid cycle and the electron transport chain.
- Glycolysis, the lactate cycle and the electron transport chain.
- Lactate, the citric cycle and the electron transport chain.
5. What combines with oxaloacetate to produce citrate?
- Pyruvate
- Oxygen
- Acetyl Coenzyme A
- Acetyl Coenzyme B
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