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MCHAPTER15

Total questions: 40

Worksheet time: 17mins

Name
Class
Date
1.
Where does glycolysis take place in cells?
a)
Cytoplasm
b)
Mitochondrion
c)
Endoplasmic Reticulum
d)
Ribosomes
2.
The first step of glycolysis results in the formation of:
a)
Glucose-6-Phosphate
b)
Fructose-6-Phosphate
c)
ATP
d)
1,6 Bis-PhosphoGlycerate
3.
Glycolysis results in the total production of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
4.
If Fructose-1,6-BisPhosphate is put through glycolysis the net result would be:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 FADH2
5.
Which is not part of the net products of Glycolysis?
a)
2 ATP
b)
2 NADH
c)
2 Pyruvate
d)
2 CO2
6.
In the final step of glycolysis ATP is made through the process of:
a)
Substrate Level Phosphorylation
b)
Oxidative Phosphorylation
c)
Photo-Phosphorylation
d)
RedOx Reactions
7.
Which of the following is not a product of glycolysis?
a)
FADH2
b)
NADH
c)
ATP
d)
Pyruvate
8.
NADH is produced by the oxidation of:
a)
G3P
b)
DHAP
c)
PEP
d)
1,3 BPG
9.
Which molecule is an isomer of Glyceraldehyde-3-Phosphate (G3P)?
a)
DHAP
b)
PEP
c)
Pyruvic Acid
d)
1,3 BPG
10.
The "regenerator" of the Krebs Cycle is:
a)
Oxaloacetate
b)
Acetyl-CoA
c)
Citrate
d)
α-Ketoglutarate
11.
Before entering Krebs Cycle, pyruvate is:
a)
Oxidized
b)
Reduced
c)
Isomerized to Acetyl-CoA
d)
Phosphorylated
12.
The number of ATP molecules produced out of Krebs Cycle is:
a)
2
b)
3
c)
4
d)
0
13.
How many FADH2 molecules are produced by 1 molecule of glucose?
a)
1
b)
2
c)
3
d)
4
14.
How many NADH molecules are produced by a molecule of glucose through the Krebs' Cycle?
a)
2
b)
3
c)
4
d)
6
15.
Which of the following is not a requirement for the Krebs Cycle?
a)
NAD+
b)
FAD+
c)
Water
d)
Pyruvate
16.
How many CO2 molecules are produced by the Krebs Cycle for a molecule of glucose?
a)
2
b)
4
c)
6
d)
3
17.
Krebs Cycle takes place in the:
a)
Cytoplasm
b)
Matrix
c)
Ribsome
d)
InterMembrane Space
18.
Prior to entering the Krebs Cycle, each pyruvate molecule loses electrons, hydrogen ions, and a carbon, forming an energy-rich molecule of
a)
Acetyl-CoA
b)
Citrate
c)
Oxaloacetate
d)
Malate
19.
After the Krebs Cycle only a small portion of the energy of glucose has been converted to ATP. At this point the majority of usable energy is contained in
a)
NADH and FADH2
b)
Carbon Dioxide 
c)
Acetyl-CoA
d)
Citrate
20.

In the electron transport chain, Oxygen acts as...

a)

a carrier of electrons, passing electrons down the chain

b)

a reducing agent

c)

the final electron acceptor

d)

a coenzyme

21.

When protons are pumped outside the matrix, across the inner membrane...

a)

water is made

b)

a concentration gradient of H+ ions (protons) is created

c)

NADH gets reduced

d)

CO2 is produced

22.
How many ATP are produced in the Electron Transport Chain?
a)
2
b)
30
c)
34
d)
38
23.
What is a product of the Electron Transport Chain?
a)
CO2
b)
O2
c)
C6H1206
d)
H2O
24.

How many ATP produced for each NADH that enter the electron transport chain from Kreb's cycle?

a)

1

b)

2

c)

3

d)

4

25.

H+ move down their concentration gradient by ___________ back into the matrix.

a)

osmosis

b)

facilitated diffussion

c)

simple diffusion

d)

active transport

26.

Which of the following is an electron donor for Complex II in electron transport chain?

a)

NAD+

b)

FADH2

c)

NADH

d)

FAD

27.
Hydrogen ions moving from the intermembrane space into the mitochondrial matrix is called
a)
chemiosmosis
b)
phosphorylation
c)
oxidation
d)
reduction
28.

How many ATP molecules are produced during complete breakdown of glucose in a liver cell?

a)

34

b)

36

c)

38

d)

39

29.

Which of the following statements are TRUE about the process that occurs in cristae?

I ATP is synthesized by ATP synthase on the inner membrane of mitochondrion

II FADH2 transfers its hydrogen atoms to the Complex I

III Formation of water molecule

IV Production of ATP in the electron transport chain is called oxidative phosphorylation

a)

I, II and III

b)

I, II and IV

c)

I, III and IV

d)

I, II, III and IV

30.
Which step of aerobic respiration requires oxygen?
a)
Glycolysis
b)
Fermentation
c)
Calvin Cycle
d)
Electron Transport Chain
31.
Which of the following happens in glycolysis?
a)
Glucose is split into pyruvate molecules
b)
Glucose is split into water and carbon dioxide
c)
Glucose is made by joining oxygen and water
d)
Glucose is made by joining carbon dioxide and water
32.
In which organelle does the majority of aerobic respiration occur?
a)
Chloroplast
b)
Mitochondrion
c)
Ribosome
d)
Golgi body
33.
What is a disadvantage of fermentation as a process? 
a)
It produces too much ATP
b)
It only produces 2 ATP
c)
It occurs in the absence of oxygen
d)
It is only for quick bursts of energy
34.
What cells in the body may undergo lactic acid fermentation during exercise? 
a)
Muscle cells
b)
Fat cells
c)
Liver cells
d)
Skin cells
35.
Lactic acid fermentation occurs in your muscles after a workout because your cells are struggling to get
a)
Glucose
b)
Sunlight
c)
Oxygen
d)
Water
36.
The process carried out by yeast that causes bread to rise is
a)
alcoholic fermentation
b)
lactic acid fermentation
c)
cellular respiration
d)
yeast mitosis
37.
How are lactic acid and alcoholic fermentation similar?
a)
They have the same products
b)
They have the same reactants
c)
They both require oxygen
d)
They occur in the same organisms
38.
Which of the following is NOT made by fermentation
a)
Sauerkraut
b)
Bread
c)
Olive oil
d)
Yogurt
39.

What important molecule is generated in fermentation?

a)

ATP

b)

ADP

c)

NAD+

d)

NADH

40.

What is the ultimate goal of Fermentation?

a)

to make more ATP for the cell

b)

to make more NADH for the Electron Transport Chain

c)

to remake NAD+ for Glycolysis

d)

to make glucose for the cell

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