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Cellular Respiration
process and concepts
18
Biology
9th Grade
03/10/2009

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Term
energy releasing process that allows food to be used by cells to produce ATP or some other type of energy molecule
Definition
cellular respiration
Term
cellular respiration occurs in what in eukaryotic cells?
Definition
cytosol and mitochondria
Term
in prokaryotic cells, where does CR occur?
Definition
cell membrane and cytosol
Term
two main types of respiration
Definition
fermentation and aerobic respiration
Term
Glycolysis occurs in the
Definition
cytosol
Term
When the pyruricacid moves into the mitochondrial matrix and reacts with a ________ it forms what?
Definition
coenzyme A; acetyl CoA
Term
If no oxygen is used in gylcolysis then it is what? If oxygen is used, then it is....
Definition
anaerobic; aerobic
Term
What are the two types of anaerobic respiration?
Definition
lactic acid fermentation and alcoholic fermentation
Term
used by animal cells that have used up oxygen in aerobic respiration
Definition
lactic acid fermentation
Term
what are the products of lactic acid fermentation?
Definition
NAD+ and lactic acid
Term
in LAF, what is NAD+ used for?
Definition
to start glycolysis of more glucose which yields 2 ATP molecules
Term
used by some plant cells and some unicellular organisms
Definition
alcoholic fermentation
Term
products of alcoholic fermentation
Definition
NAD+ and ethyl alcohol
Term
How much more efficient is aerobic respiration than anaerobic respiration? why?
Definition
20x; because Aerobic lets out 36 ATP molecules and anaerobic only lets out 2
Term
Three main steps of aerobic respiration
Definition
glycolysis, Kreb cycle, and chemiosmosis
Term
How many ATP's does chemiosmosis let off?
Definition
34
Term
occurs in the mitochondrial matrix and cytosol in cells; a biochemical pathway
Definition
Kreb cycle
Term
the space inside the inner membrane and contains the enzymes needed to catalyze the reactions of this cycle
Definition
mitochondrial matrix
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