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