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What is 1 + 3?
_glycolysis_ provides the pyruvic acid molecules used in fermentation
fermentation allows glycolysis to continue by providing the _nadph_ needed to accept high-energy electrons
fermentation is an _aerobic_ process
fermentation occurs in the _mitochondria_ of cells
_alcoholic_ fermentation givs off carbon dioxide and is used in making bread
most organisms perform fermentation using a chemical reaction that converts pyruvic avid to _lactic acid_
what causes humans to become lactic acid fermenters
brief periods without oxygen
what are three main sources of ATP available for human muscle cells
ATP already in muscles
ATP made by lactic acid fermentation
ATP produced by cellular respiration
during a race how do your muscle cells produce ATP after the store of ATP in muscles is used
lactic acid fermentation
why does a sprinter have an oxygen debt to repay after the race is over
lactic acid fermentation produces lactic acid to get rid of lactic acid buildup.
a runner needs more energy for a longer race. how does the body generate the necessary ATP
first they use it in muscles, then cellular respiration, then lactic acid fermentation
why are aerobic forms of exercise so beneficial for weight control
body stores energy in the form of glycogen, providing enough energy for 15-20 minutes of activity