Metabolism Question Preview (ID: 41771)


Metabolism. TEACHERS: click here for quick copy question ID numbers.

Enzymes increase the rate of a given reaction by lowering what kind of energy?
a) Solar
b) Thermal
c) Activation
d) Borrowed

Enzymes are:
a) proteins
b) fats (lipids)
c) carbohydrates
d) DNA

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

Antioxidant vitamins are
a) C
b) E
c) beta-carotene
d) All of these

This regulates food intake
a) Thalamus
b) Pons
c) Medula
d) Hypothalamus

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 is where most of the ATP is made
a) Cytoplasm
b) Electron transfer chain--oxidative Phosphorylation
c) Krebs cycle
d) Fermentation

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

H+ is
a) more abundant in basic solutions
b) an electron
c) a proton
d) None 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

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

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

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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