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Metabolism
Test Description: Metabolism
Instructions: Answer all questions to get your test result.
1) This is loss of an electron
A
Reduction
B
Oxidation
2) Mechanisms of phosphorylation is/are:
A
All of these
B
photophosphorylation
C
substrate-level phosphorylation in cytosol
D
oxidative phosphorylation in mitochondria
3) Each Acetyl CoA molecule that enters the Krebs cycle produces
A
2 molecules of C02
B
All of these
C
one molecule of ATP
D
3 molecules of NADH and one molecule of FADH2
4) The Electron Transport Chain
A
Occurs in the nucleus
B
occurs in the cytoplasm
C
occurs in the inner membrane of the mitochondria
D
occurs in the matrix of the mitochondria
5) H+ is
A
more abundant in basic solutions
B
an electron
C
a proton
D
None of these
6) Chemiosmosis
A
is how water is formed
B
is the movement of protons through ATP synthase
C
is when electrons are passed between complexes
D
happens in the Krebs cycle
7) This is where most of the ATP is made
A
Electron transfer chain--oxidative Phosphorylation
B
Krebs cycle
C
Fermentation
D
Cytoplasm
8) Means going without food for hours or days
A
Fasting
B
Starvation
9) Heat transfer by movement of gas or liquid is
A
conduction
B
convection
C
radiation
D
evaporation
10) This regulates food intake
A
Medula
B
Thalamus
C
Hypothalamus
D
Pons
11) Antioxidant vitamins are
A
C
B
beta-carotene
C
E
D
All of these
12) If one is trying to become pregnant, this supplement may be needed to prevent spina bifida
A
A and C
B
Supplement should never be taken
C
B12
D
folic acid
13) Enzymes are:
A
proteins
B
DNA
C
fats (lipids)
D
carbohydrates
14) Enzymes increase the rate of a given reaction by lowering what kind of energy?
A
Activation
B
Thermal
C
Borrowed
D
Solar
15) The first process in breaking down glucose is:
A
ETC (Electron transport chain).
B
None of these
C
the citric acid cycle.
D
glycolysis.
16) Aerobic cellular is the process in which cells create energy in the form of ATP. In which step is the most ATP produced?
A
Electron transport chain
B
Preparation reaction, formation of Acetyl CoA
C
Krebs’ cycle
D
Glycolysis
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