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Chapter 7
Metabolism vocabulary
19
Biology
Undergraduate 1
10/29/2007

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Term
ANABOLISM
Definition

reactions consuming energy to combine small molecules to make larger ones.

Term

CATABOLISM

Definition
reactions releasing energy and breaking down large molecules into smaller ones.
Term

ATP

Definition

high energy compound

Term
COENZYMES
Definition
complex organic molecules that work with enzymes to facilitate the enzymes' activity. Example: CoA
Term
PYRUVATE
Definition

3-carbon compound, produced via glycolysis, that plays a key role in metabolism.

Term
ACETYL COA
Definition

2-carbon structure with a CoA attached; cannot be used to make glucose

Term
TCA CYCLE
Definition
series of metabolic reactions that break down molecules of acetyl coA to carbon dioxide and hydrogen atoms (used to make ATP).
Term
ELECTRON TRANSPORT CHAIN
Definition
final pathway that transports electrons from hydrogen to oxygen and captures the energy released in the bonds of ATP
Term
GLYCOLYSIS
Definition
metabolic breakdown of glucose to pyruvate. Anaerobic activity.
Term

MITOCHONDRIA

Definition

cellular organelles that serve as the site of ATP synthesis.

Term
CORI CYCLE
Definition

muscle glycogen -> glucose -> pyruvate -> lactate -> glucose -> glycogen

Term
FATTY ACID OXIDATION
Definition
metabolic breakdown of fatty acids to acetyl CoA
Term
KETO ACID
Definition

organic acid resulting from deamination

Term
AMMONIA
Definition
compound resulting from deamination
Term
TRANSAMINATION
Definition
transfer of an amino group from one amino acid to a keto acid, producing a new nonessential amino acid and a new keto acid.
Term
UREA
Definition
principal nitrogen excretion of protein metabolism. Released from the body as urine.
Term

FEASTING

Definition
intake of excess energy contributing to body fat gain.
Term
FASTING
Definition

inadequate energy resulting from deficiency of carbs, fats and/or proteins

Term

ALCOHOL DEHYDROGENASE

Definition
enzyme determining the amount of alcohol you can break down.
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