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Cellular Respiration Part 2
This deck covers key concepts related to lactic acid fermentation, alcoholic fermentation, and aerobic respiration, including processes, reactions, and efficiencies.
lactic acid fermentation
pyruvic acid is converted into lactic acid
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Key Terms
Term
Definition
lactic acid fermentation
pyruvic acid is converted into lactic acid
what is used to make lactic acid
one hydrogen atom from NADH and one free hydrogen proton
what happens to NADH in lactic acid fermentation
it is oxidized and converted to NAD+
type of reaction that occurs in muscles during strenuous exercise
lactic acid fermentation
organ where lactic acid is converted back into pyruvic acid
liver
the liver
where lactic acid is converted back into pyruvic acid
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| Term | Definition |
|---|---|
lactic acid fermentation | pyruvic acid is converted into lactic acid |
what is used to make lactic acid | one hydrogen atom from NADH and one free hydrogen proton |
what happens to NADH in lactic acid fermentation | it is oxidized and converted to NAD+ |
type of reaction that occurs in muscles during strenuous exercise | lactic acid fermentation |
organ where lactic acid is converted back into pyruvic acid | liver |
the liver | where lactic acid is converted back into pyruvic acid |
how many carbons in lactic acid | 3 |
alcoholic fermentation | pyruvic acid is converted into ethyl alcohol |
organisms that use alcoholic fermentation | plant cells and unicellular organisms |
process of alcoholic fermentation (2 steps) | CO2 is removed from pyruvic acid, two hydrogen atoms added |
what is regenerated in alcoholic fermentation | NAD+ |
one kilocalorie=? calories | 1000 |
efficiency of glycolysis= | energy required to make ATP/energy released by oxidation of glucose |
where pyruvic acid goes when oxygen is available | aerobic respiration |
aerobic respiration produces ?x as much ATP as glycolysis | 20 |
two stages of aerobic respiration | the Krebs cycle and the electron transport chain |
chemiosmosis | process by which ATP is made using the energy released as protons move across a membrane |
as glucose is oxidized NAD+ is... | converted into NADH |
the Krebs cycle, function | breaks down acetyl CoA |
where the Krebs cycle takes place (eukaryotes) | the mitochondria |
where the Krebs cycle takes place (prokaryotic) | None |
mitochondrial matrix | the space inside the inner and outer membranes of a mitochondrion |
what the mitochondrial matrix contains | enzymes to catalyze the reactions of the Krebs cycle |
in the mitochondrial matrix, pyruvic acid reacts with ? to form ?, and releases a ? | CoA, acetyl CoA, CO2 molecule |
products of the Krebs cycle (3) | CO2, hydrogen atoms, and ATP |
final electron acceptor of ETC | oxygen |
efficiency of cellular respiration= | energy required to make ATP/energy released by oxidation of glucose |