Cellular respiration Flashcards
(37 cards)
breaking down of glucose to 2 pyruvate molecules
glycolysis
does glycolysis require oxygen
no
what is oxidized and reduced during cellular respiration
oxidized: glucose to carbon dioxide
reduced: oxygen to water
complete equation of cellular respiration
glucose + 6 oxygen -> 6 carbon dioxide + 6 water + energy
where does glycolysis occur
cytoplasm
products of glycolysis
2 pyruvate, 2 water, 2 atp, 2 nadh, 2h+
in animals, pyruvate is reduced to __ during fermentation
lactic acid
in plants, pyruvate is reduced to __ during fermentation
alcohol
lactic acid fermentation product
lactate x 2
alcohol fermentation product
2 alcohol (2C), 2 carbon dioxide
final electron acceptor of alcohol fermentation
acetaldehyde
two atp produced during fermentation are equivalent to __ kcal
14.6
complete oxidation of glucose yields __ kcal per molecule of glucose
686 kcal
how efficient is fermentation compared to cellular respiration
2.1%
where does transition reaction occur
matrix
where does citric acid cycle occur
matrix
where does etc occur
cristae
products of acetyl coa formation or transition reaction
2 acetyl coa, 2 carbon dioxide, 2 nadh
inputs to acetyl coa formation
2 pyruvate, 2 coa, 2 nad+
each acetyl group from the transition reaction is reduced to
2 carbon dioxide
citric acid cycle input
2 acetyl groups, 6 nad+, 2 fad, 2 adp + 2p
citric cycle output
4 carbon dioxide, 6 nadh, 2 fadh2, 2 atp
final electron acceptor in etc/cellular respiration
oxygen
final electron acceptor in lactic acid fermentation
pyruvate
