1) What is glycolysis? a) The use of the electrons produced in the krebs cycle to synthesis ATP with water as a by-product b) The introduction of acetylcoenzyme A into a cycle of oxidation-reduction reactions that yield some ATP and a large number of electrons c) The Splitting of the 6-carbon molecules into two 3-pyruvate molecules d) The conversion of the 3-carbon pyruvate molecule into carbon dioxide and a 2-carbon molecule called acetylcoenzyme A 2) How many main stages of respiration are there? a) 5 b) 2 c) 4 d) 6 3) What is the link reaction? a) The introduction of acetylcoenzyme A into a cycle of oxidation-reduction reactions that yield some ATP and a large number of electrons b) The Splitting of the 6-carbon molecules into two 3-pyruvate molecules c) The use of the electrons produced in the krebs cycle to synthesis ATP with water as a by-product d) The conversion of the 3-carbon pyruvate molecule into carbon dioxide and a 2-carbon molecule called acetylcoenzyme A 4) What is the Krebs cycle? a) The use of the electrons produced in the krebs cycle to synthesis ATP with water as a by-product b) The introduction of acetylcoenzyme A into a cycle of oxidation-reduction reactions that yield some ATP and a large number of electrons c) The Splitting of the 6-carbon molecules into two 3-pyruvate molecules d) The conversion of the 3-carbon pyruvate molecule into carbon dioxide and a 2-carbon molecule called acetylcoenzyme A 5) What is the electron transport chain? a) The use of the electrons produced in the krebs cycle to synthesis ATP with water as a by-product b) The Splitting of the 6-carbon molecules into two 3-pyruvate molecules c) The introduction of acetylcoenzyme A into a cycle of oxidation-reduction reactions that yield some ATP and a large number of electrons d) The conversion of the 3-carbon pyruvate molecule into carbon dioxide and a 2-carbon molecule called acetylcoenzyme A 6) Where does glycolysis take place? a) In the Mitochondria b) In the cytoplasm near the mitochndria c) In the ribosomes attached to the rough ER 7) How do larger molecules enter the mitochondria? a) By magic b) By osmosis c) By active transport 8) What is the equation for synthesising ATP? a) NAD + CoA --> ATP b) Glucose + Pyruvate --> ATP c) ADP + Pi -->ATP 9) What happens to when an isolated mitochondria when DNP is added to it? a) More ATP is produced b) Less ATP is produced c) Less oxygen was uptaken d) No change 10) What is the Hydrogen acceptor in plants and what does it then become? a) Ethanal into carbon dioxide b) Ethanol into Ethanal c) Pyruvate into Lactic acid d) Ethanal into Ethanol

Respiration A2

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