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jwcc
ch.8
28
Microbiology
Not Applicable
07/14/2012

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Term
A dehydrogenase coenzyme derived from nicotinic acid(niacin)
Definition
NAD
Term
In chemiosmosis protons can diffuse across a membrane only through special channels that contain this enzyme
Definition
Acetyl coenzyme A
Term
A dehydrogenase coenzyme derived from riboflavin
Definition
FAD
Term
Reaction by which pyruvic acid loses carbon dioxide to form an acetyl group
Definition
Decarboxylation
Term
Product of pyruvic acid processing enters TCA cycle as a coenzyme
Definition
ATP synthase
Term
Cyanide is an example of a general type of inhibitor called
Definition
Allosteric site
Term
Sulfa drugs are an example of a type of inhibitor called
Definition
Competitive inhibition
Term
The amount of ATP yield from aerobic respiration by a procaryote is ______ & by an eucaryote is ______
Definition
36 & 38
Term
Net yield of ATP from glycolysis is ____?
Definition
2 ATP
Term
Substance acted upon by an enzyme is the
Definition
Substrate
Term
A sequence of enzymatically catalyzed chemical reactions in a cell is called a _______pathway
Definition
Metabolic
Term
In aerobic respiration pyruvic.acid is converted to_________; this product can then enter the Krebs cycle
Definition
Acetyl Co A
Term
Energy-yielding series of reaction
Definition
Catabolism
Term
Means "whole enzyme"
Definition
Holoenzyme
Term
A nonprotein component of an active enzyme
Definition
Coenzyme
Term
A measure of the rate of activity of an enzyme
Definition
Turnover number
Term
A protein portion of any enzyme inactive w/out a cofactor
Definition
Apoenzyme
Term
A group of enzymes that function as electron carriers in respiration and photosynthesis
Definition
Cytochromes
Term
A mechanism by which fatty acids are degraded
Definition
Beta oxidation
Term
Changes the shape of the active site of an enzyme
Definition
Noncompetitive inhibitor
Term
Very similar in shape or chemistry to the normal enzyme substrate
Definition
Competitive inhibitor
Term
The final electron accept is oxygen
Definition
Aerobic respiration
Term
Bacteria use oxygen substitutes such as nitrates
Definition
Anaerobic respiration
Term
Pyruvic acid accepts electrons and is turned into various end-products such as lactic acid or ethanol
Definition
Fermentation
Term
Glucose to pyruvic acid
Definition
Glycolysis
Term
Direct transfer of high energy phosphate from an organic substrate to ADP molecule forming ATP
Definition
Substrate level Phosphorylation
Term
Electrons are removed from an organic compound and are transferred by an electron transport chain to oxygen
Definition
Oxidative Phosphorylation
Term
An electron is liberated from chlorophyll and passes down an electron transport. Chain
Definition
Photophosphorylation
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