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biology ch. 9

QuestionAnswer
the amount of energy needed to raise the temperatue of 1 gram of water 1 degree Celsius a calorie
on labels, is a kilocalorie, 1000 calories The Calorie
releases only a small amount of energy glycolysis
process that releases energy by breaking down glucose and other food molecules in the presence of oxygen cellular respiration
process in which one molecule of glucose is broken in half, producing two molecules of pyruvic acid. glycolysis
6O2+ C6 H12 O6--6CO2 + 6H2O + Energy cellular respiration
pyruvic acid a 3-carbon compund
4 high energy electrons are passed to an electron carrier called NAD+
holds the electron until they can be transferred to other molecules NADH
helps pass energy from glucose to other pathways in the cell. NAD+
releases energy from food molecules by producing ATP in the absense of oxygen fermentation
what happens during fermentation? cells convert NADH to NAD+ by passing high energy electrons back to pyruvic acid.
fermentation doesnt require oxygen so it is said to be _____ anaerobic
two types of fermentation alcoholic fermentation & lactic acid fermentation
pyruvic acid + NADH -- lactic acid + NAD+ lactic acid fermentation
pyruvic acid + NADH -- aclcohol + C02 + NAD+ alcoholic fermentation
converts glucose into lactic acid lactic acid fermentation
because the paths of cellular respiration require oxygen, they are said to be ___ aerobic
what happens during the Krebs Cycle pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions.
where does the Krebs Cycle take place mitochondrion
uses high energy electrons from the Krebs Cycle to convert ADP into ATP electron transport chain
Created by: carver
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