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B2 > NBS Chemistry Biochemical Energetics > Flashcards

NBS Chemistry Biochemical Energetics Flashcards

1
Q

What must you have in order to run the krebs cycle?

A

Acetyl CoA

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2
Q 
Which enzyme converts pyruvate to Acetyl CoA?
A. Succinyl CoA synthase
B. ATP synthase
C. Pyruvate Dehydrogenase
D. Pyruvate Synthase
A

C

Pyruvate Dehydrogenase

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3
Q

Pre-Krebs requires 5 coenzymes which are?

These Five Coenzymes Love Nutrition

A 
Thiamine pyrophosphate (from thiamine B1)
FAD (from Riboflavin B2)
CoA (from pantothenic acid B5)
Lipoic acid 
NAD (from Niacin B3)
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4
Q 
The products of the pre-krebs cycle are acetyl CoA, NADH and:
A. H2O
B. H+
C. FAD
D. CO2
A

CO2

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5
Q

T/F: Tricarboxylic acid cycle and TCA cycle and Citric Acic Cycle are all AKA names for the Krebs cycle.

A

True

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6
Q 
The Krebs cycle takes place where?
A. nucleus
B. inner fold of the inner mitochondrial membrane
C. mitochondria
D. cytoplasm
A

Mitochondria

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7
Q

T/F You can run the Krebs cycle during anaerobic exercise.

A

False

Krebs is strictly active during aerobic conditions

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8
Q 
Succinate dehydrogenase requires \_\_\_\_\_\_\_.
A. NADPH
B. FADH
C. FAD
D. NAD
A

FAD

succinyl CoA –> Furmarate

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9
Q

What is succinate thiokinase function in the krebs cycle?
A. production of ATP
B. reduction of ATP
C. Formation of succinyl CoA

A

A

Production of ATP

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10
Q 
How CO2s are produced durine ONE turn of the krebs cycle?
A. 3
B. 4
C. 1
D. 2
A

2 CO2

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11
Q 
How NADHs are produced durine ONE turn of the krebs cycle?
A. 3
B. 4
C. 1
D. 2
A

3 NADH

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12
Q 
How FADH2 are produced durine ONE turn of the krebs cycle?
A. 3
B. 4
C. 1
D. 2
A

1 FADH2

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13
Q 
How GTP/ ATP are produced durine ONE turn of the krebs cycle?
A. 3
B. 4
C. 1
D. 2
A

1 GTP or ATP

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14
Q 
If you had 4 turns of the krebs cycle, how many NADH would be produced?
A. 10
B. 3
C. 9
D. 12
A

12

3 per spin x 4 spins= 12

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15
Q 
What is another name for the electron transport chain?
A. Cori cycle
B. Cytochrome series
C. Repiratory chain
D.  B and C
A

B and C

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16
Q 
The ETC cycle takes place where?
A. nucleus
B. inner fold of the inner mitochondrial membrane
C. mitochondria
D. cytoplasm
A

B

Inner fold of the inner mitochondrial membrane

17
Q 
What is the final electron acceptor for the cytochrome series?
A. Sodium
B. Oxygen
C. Nitrogen
D. Hydrogen
A

Oxygen

forming H2O WATER

18
Q 
Along with ATP synthase, what complex is associated with oxidative phosphorylation?
A. Complex 2
B. Complex 5
C. Complex 4
D. Complex 1
A

Complex 5 (V)

19
Q

Which two ATP producing systems are considered “linked” or one mechanism?
A. Krebs and Glycolysis
B. ETC and Krebs
C. ETC and Oxidative phosporylation

A

ETC and Oxidative phosphorylation

20
Q 
Oxidation of NADH would yield have many ATP?
A. 1
B. 2
C. 3
D. 4
21
Q 
Oxidation of FADH2 would yield have many ATP?
A. 1
B. 2
C. 3
D. 4
22
Q 
The Krebs Cycle yields how many ATP?
A. 4
B. 20
C. 30
D. 2
23
Q 
The glycerol-3-phosphate shunt yields how many ATP?
A. 4
B. 20
C. 30
D. 2
24
Q 
Glycolysis yields how many ATP?
A. 4
B. 20
C. 30
D. 2
25
Q 
The total amount of ATP produced via the krebs cycle, Glycerol-3-phosphate shunt and glycolysis is:
A. 33
B. 32
C. 36
D. 34
A

36

could be 38 in some sources

26
Q

What is the acronym for remembering the Krebs cycle?

A

Our Cousin Clyde Is Always Keeping Singapor Slings from Mallory

27
Q

What follows Alpha ketogluterate in the krebs cycle?

A

Succinyl CoA

28
Q

What starts the Krebs cycle?

A

Oxaloacetate

29
Q

what must be done to pyruvate to turn it into acetyl CoA?

A

O.D.

Oxidative Decrboxylation

30
Q 
Which step in the krebs cycle involves FAD converting to FADH?
A. Malate
B. Succinate
C. Fumarate
D. A-ketogluterate
31
Q 
Which step in the krebs cycle does NOT involves NAD+ converting to NADH?
A. Malate
B. Isocitrate
C. A-Ketogluterate
D. Succinyl CoA
A

D

Succinyl CoA

B2 (31 decks)

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