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cellular respiration
vocabulary
17
Biology
10th Grade
01/11/2009

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Term
cellular respiration
Definition

the process by which cells obtain energy from carbohydrates; atmospheric oxygen combines with glucose to form water a carbon dioxide.

Term
pyruvic acid
Definition
the three-carbon compound that is produced during glycolysis and needed for both the aerobic and anaerobic pathways of cellular respiration that follow gycolysis.
Term
NADH
Definition
the reducted form of NAD+; and electron-carrying molecule that functions in cellular respiration.
Term
anaerobic
Definition
describes a process that does not require oxygen.
Term
aerobic respiration
Definition
the process in which pyruvic acid is broken down and NADH is used to make a large amount of ATP; the part of the respiration that is carried out in the presence of oxygen.
Term
glycolysis
Definition
the anaerobic breakdown of glucose to pyruvic acid, which makes a small amount of energy avalible to the cells in the form of ATP
Term
Nad+ (nicotinamide adenine dinucleotide)
Definition
an organic molecule that serves as an electron carrier by being oxidized to NAD+ and reduced to NADH
Term
fermentation
Definition
the breakdown of carbohydrates by enzymes, bacteria, yeasts, or mold in the absence of oxygen.
Term
lactic acid fermention
Definition
the chemical breakdown of carbohydrates that produces latic acid as the main end product.
Term
alcoholic fermantation
Definition
thae anaerobic process by which yeasts and other microorganisms break down sugars to from carbon dioxide and ethanol
Term
kilocalorie
Definition
a unit of energy equal to 1000 calories
Term
mitochondrial martix
Definition
the fluid that is inside the inner membrane of a mitochondrion
Term
acetyl CoA
Definition
acetyl coenzyme A, a compound that is synthesized by cells and that plays a major role in metabolism
Term
krebs cycle
Definition
a series of bichemical reastions that convert pyruvic acid acid into carbon dioxide and water; it is the major pathway pf oxidation in  animal, bacterial, and plant cells, and it releases energy
Term
oxaloacertic acid
Definition
a chemical reaction in which a reactant loses one or more electrons such that the reactant becomes more positive in charge
Term
cirtic acid
Definition
a six- carbon compound formed in the krebs cycle
Term
FAD
Definition
flavin adenine dinucleotide, a compound that acts as a hydrogen acceptor in dehydrogenation reactions
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