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cell respiration quiz-- biology lugo
Terms in this set (34)
what breaks down glucose into 2 pyruvate, 2 net ATP, and 2 NADH?
what is the first step in cellular respiration?
what is the second step in cellular respiration?
what is the third step in cellular respiration?
electron transport chain (ETC)
where does glycolysis occur?
between glycolysis and krebs cycle, what happens?
pyruvate attaches to co-enzyme A (acetyl co-A); CO2 is given off as waste
what does glycolysis break down glucose into?
2 pyruvate, 2 net ATP, and 2 NADH
where does the krebs cycle happen?
matrix in the mitochondria
what first enters the krebs cycle?
what is made in the krebs cycle?
ATP, NADH, and FADH2
where does the electron transport chain occur?
what does NADH and FADH2 do in the ETC?
donate electrons to hydrogen (1st step)
what is the second step in the ETC?
electrons go down the ETC; hydrogen to diffuse
what is the third step of the electron transport chain?
hydrogen goes through ATP synthase and makes ATP
overall, what does cellular respiration make?
what happens after ETC?
NaD+ and FAD+ go back to the krebs cycle and make more NADH and FADH2; then, electrons and hydrogen are picked up by oxygen to make water
___ glucose molecule= ___ ATP
cellular respiration makes _______ amount of ATP
WH4t i5 TH3 f0RMU14 f0R C311U14R R3SPIR4tT0N?
6O2 + C6H12O6 + 6CO2 + 6H2O + 38 ATP
what are the three main steps to cellular respiration?
glycolysis, krebs cycle, and electron transport chain
what is the role of the kreb cycle in cellular respiration?
to produce reduced cofactors for use in the etc
what is the major ATP-generating process in cellular respiration?
what is the function of glycolysis in cellular respiration?
to produce pyruvate and a small amount of ATP from glucose.
how does the carbon atom in CO2 enter the body?
In a molecule of glucose.
what molecule does oxygen become during cellular respiration?
wh4t c0mp4rtm3nts d0 Glyc0lys1s, th3 Kr3b5 cyc13, 4nd th3 313ctr0n tr4ns90rt ch41n 0ccur 1n?
cytoplasm, mitochondrial matrix, inner mitochondrial membrane
Most living things use ___________ to make _____________ from glucose.
What can perform alcoholic fermentation?
yeast and bacteria
What is true about anaerobic respiration?
it is a very fast process, it evolves before aerobic, allows organisms to live in places where there is little or no oxygen
In alcoholic fermenation....
carbon dioxide is released
Fermenation involves which stage of cellular respiration?
In lactic fermentation....
lactic acid is produced
After intense exercise, your muscles feel sore because of....
accumulation of lactic acid
Both alcoholic and lactic fermentation....
start with pyruvic acid, all glycolysis to continue, recycle NAD+ and NADH
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