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L9 TCA/Kreb cycle & G3P Shuttle

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

1 pyruvate molecule in the TCA cycle has the potential to produce ..... ATP

a)

10

b)

15

c)

20

d)

30

2.

The TCA cycle produce the most what type of molecules.

a)

NADH

b)

FADH2

c)

GTP

d)

CO2

3.

The gylcerol phosphate shuttle can be used to produce an additional ... ATP

a)

2

b)

3

c)

4

d)

6

4.

The net total amount of ATP produced by 1 molecule of glucose in aerobic conditions is

a)

30

b)

32

c)

36

d)

38

5.

How efficient is aerobic respiration overall.

NOTE;

>Glucose contains: 2870kj

>ATP holds; 30.5 kj.

a)

22%

b)

33.5%

c)

38%

d)

41.2%

6.

Which of these reactions in the TCA cycle do NOT produce NADH

a)

citrate -----------------------> isocitrate

b)

isocitrate -----------------------> α-ketoglutarate

c)

α-ketoglutarate ----------------------> succinyl CoA

d)

malate ------------------------> oxaloacetate

7.

Which of these reactions in the TCA cycle produce FADH2

a)

succinyl CoA ------------------------> succinate

b)

succinate ------------------------> fumarate

c)

isocitrate -----------------------> α-ketoglutarate

d)

α-ketoglutarate ----------------------> succinyl CoA

8.

Which of these reactions in the TCA cycle produce GTP

a)

malate ------------------------> oxaloacetate

b)

succinyl CoA ------------------------> succinate

c)

succinate ------------------------> fumarate

d)

fumarate ------------------------> malate

9.

The TCA cycle occurs in the....

a)

Cytoplasm

b)

Mitochondrial matrix

c)

Mitochondrial inner membrane

10.

The gylcerol phosphate shuttle use 2 cytoplasmic NADH to produce 2 mitochondrial FADH2

a)

True

b)

False