biology: cellular respiration Flashcards
what is a calorie
energy need to raise 1 gram of water 1 degree Celcius
where does energy come from?
breaking down food
what is a Calorie?
a Kilocalorie, or 1000 calories
cellular respiration
also called aerobic respiration, needs oxygen
releases energy from food molecules, ie glucose to make ATP
ATP is for temporary energy storage
cellular respiration equation
6O2 + C6H12O6 = 6H2O + ENERGY
all eukaryotes _____ some eukaryotes_____
cellular respirate
photosynthesize
why is cellular respiration so complicated?
broken into smaller steps to make lots of ATP
where does glycolysis occur
in cytosol
anaerobic or aerobic, lot or little ATP
anaerobic, little
where does Krebs cycle occur
mitochondrial matrix
mitochondrial matrix
space inside inner membrane of mitocchondria
aerobic or anerobic, lots of little ATP in Krebs cycle
aerobic, lots
what is broken down in Krebs cycle, where does it come from
pyruvate from glycolysis
In Krebs cycle what is released?
2 molecules of CO2
1 ATP
3 NADH
1 FADH2
where does chemiosmosis occur
electron transprt chain in cristae of inner mitochondrial membrane
cristae
folds in inner mitochondrial membrane
increases surface area for more ETC
intermembrane space
space between inner outer mitochondrial membrane
mitochondrial matrix
space inside inner membrance
what percent of ATP of cellular respiration is made through chemiosmosis
90
what is the last electron acceptor in chemiosmosis
oxygen to form water
How many ATP are produced by the h+ output I chemiosmosis by NADH
3
How many ATP are produced by the h+ output I chemiosmosis by Fadh2
2
Total ATP from one glucose
38
Total ATP from Glycolysis
2 ATP
2 NADH = 6 ATP through chemiosmosis
Pyruvate to aceytal Coa
2 NADH 6 ATP
X2
Krebs cycle
.
Two types of fermentTion
Alcohol (ethanol) lactic acid
Respiration: _____ of glucose
Photosynthesis: ______ of glucose
Catabolism, anabolism
