Chapter 9&10 AP Bio Test (Cellular Respiration) Flashcards


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1

1. Which compound is more typical of both animal and plant metabolism?

(1.) aspartate

(2.) NADPH

(3.) PGAL (G3P)

(4.) citric acid

(5.) Rubisco

4

2

2. Which chemical reaction is endothermic (absorbs energy)?

(1.) PGAL ---> pyruvic acid

(2.) pyruvic acid ---> acetyl CoA

(3.) ADP + P ---> ATP

(4.) acetyl CoA ---> carbon dioxide + water

(5.) glycerol ---> pyruvic acid

3

3

10. The initial end product of anaerobic glycolysis.

Pyruvate

4

11. One end product of aerobic glycolysis.

Acetyl CoA

5

18. Oxidative phosphorylation can be carried out in a test tube in the absence of intact cells,

provided certain subcellular material is used. Assuming that the test tube contains all of the

necessary substrates, what subcellular material would you expect to be the minimum

requirement for the process to proceed?

(1.) intact outer mitochondrial membranes

(2.) vesicles composed of inner mitochondrial membrane

(3.) intact thylakoid membranes

(4.) golgi complex fractions

1

6

22. Which statement about anaerobic respiration is FALSE:

(1.) The products are at a higher free energy level than the reactants.

(2.) It is sufficient to satisfy the energy requirements of some simpler organisms.

(3.) Its products are energy rich.

(4.) It occurs in the absence of oxygen.

(5.) It may occur in the cytoplasm of cells.

1

7

23. The main purpose of the citric acid cycle is to

(1.) produce carbon dioxide

(2.) produce oxygen

(3.) convert glucose to pyruvic acid

(4.) produce ATP in abundance

(5.) remove energy rich hydrogen from fuels

5

8

25. For its continuation, each turn of the citric acid cycle must conserve one molecule of

(1.) NADH

(2.) ATP

(3.) citrate

(4.) oxaloacetate

(5.) acetyl CoA

4

9

4. The enzymes of glycolysis are membrane bound within the mitochondria.

False

10

5. The citric acid cycle and chemiosmosis occur in the mitochondria.

False

11

6. Two ATP are produced directly as a result of two turns of the Krebs Cycle.

True

12

7. Four (4) ATP of activation energy are required to intiate the glycolysis of a mole of glucose.

False

13

15. Cytochromes are protein structure which hold and pass electrons down the electron transport chain.

True

14

21. Nearly 40% of the free energy released in glucose oxidation is retained in the form of newly synthesized ATP molecules.

True