Metabolism Question Preview (ID: 41771)
Metabolism.
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This is loss of an electron
a) Oxidation
b) Reduction
c)
d)
Mechanisms of phosphorylation is/are:
a) substrate-level phosphorylation in cytosol
b) oxidative phosphorylation in mitochondria
c) photophosphorylation
d) All of these
Each Acetyl CoA molecule that enters the Krebs cycle produces
a) 2 molecules of C02
b) 3 molecules of NADH and one molecule of FADH2
c) one molecule of ATP
d) All of these
The Electron Transport Chain
a) occurs in the inner membrane of the mitochondria
b) occurs in the matrix of the mitochondria
c) occurs in the cytoplasm
d) Occurs in the nucleus
H+ is
a) more abundant in basic solutions
b) an electron
c) a proton
d) None of these
Chemiosmosis
a) is the movement of protons through ATP synthase
b) is when electrons are passed between complexes
c) happens in the Krebs cycle
d) is how water is formed
This is where most of the ATP is made
a) Cytoplasm
b) Electron transfer chain--oxidative Phosphorylation
c) Krebs cycle
d) Fermentation
Means going without food for hours or days
a) Fasting
b) Starvation
c)
d)
Heat transfer by movement of gas or liquid is
a) radiation
b) evaporation
c) convection
d) conduction
This regulates food intake
a) Thalamus
b) Pons
c) Medula
d) Hypothalamus
Antioxidant vitamins are
a) C
b) E
c) beta-carotene
d) All of these
If one is trying to become pregnant, this supplement may be needed to prevent spina bifida
a) B12
b) folic acid
c) A and C
d) Supplement should never be taken
Enzymes are:
a) proteins
b) fats (lipids)
c) carbohydrates
d) DNA
Enzymes increase the rate of a given reaction by lowering what kind of energy?
a) Solar
b) Thermal
c) Activation
d) Borrowed
The first process in breaking down glucose is:
a) the citric acid cycle.
b) ETC (Electron transport chain).
c) None of these
d) glycolysis.
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) Glycolysis
c) Krebs’ cycle
d) Preparation reaction, formation of Acetyl CoA
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