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34 terms

cellular respiration 1

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calorie
the amount of energy needed to raise the temperature of 1 gram of water 1 degree celcius
glycolysis
the process in which a glucose molecule is split in half
pyruvic acid, a 3 carbon compound
what is the product of glycolysis
cellular respiration
process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
NAD+
(nicotinamide adenine dinucleotide) an electron carrier molecule that helps to pass energy from glucose to other pathways in the cell
fermentation
process by which cells release energy in the absence of oxygen
anaerobic
process that doesn't require oxygen
aerobic
process that requires energy
kreb cycle
2nd stage of cellular respiration in which pyruvic acid is broken down into carbon dioxide in a series of energy extracting reactions
electron transport chain(ETC)
a series of proteins in which the high energy electrons from the kreb cycle are used to convert ADP to ATP
mitochondria
where the final stage of cellular respiration takes place
chloroplasts
where does photosynthesis takes place
to make ATP
what is the purpose of cellular respiration
make glucose
what is the purpose of photosynthesis
glycolysis
first step in cellular respiration
glycolysis
the process of turning 1 glucose into 2 pyretic acid
cytoplasm, outside of the mitochondria
where does glycolysis take place
NAD+
what is the electron acceptor in glycolysis
NADH
what does NAD+ turn into in glycolysis
break down food into ATP
what is the purpose of cellular respiration
6O2+C6H12O6----->6H2O+6CO2
what is the equation for cellular respiration
2 pyruvic acid
what does glycolysis turn 1 glucose into
energy investment phase
phase in glycolysis that involves putting in 2 ATP to get the reaction started
energy yielding phase
phase in glycolysis where 2 PGAL are turned into 2 pyruvic acid, another 3 carbon molecule and releases 4ATP with net gain of 2 ATP and 2 NAD+ turned into 2 NADH
Hans Kreb
who is the kreb cycle named after
matrix of mitochondria
where does the kreb cycle take place
citric acid cycle
what is another name for the krebs cycle
make more electron carriers to make ATP in the ETC
what is the purose of the krebs cycle
4co2, 6 NADH, 2 FADH2 and 2ATP
what does krebs cycle result in
alcohol and lactic acid
what are the 2 main types of fermentation
oxygen
what is the last electron acceptor of the ETC
muscle
where does lactic acid fermentation take place during rapid exercise?
glycolysis
if oxygen is present, what do kreb cycle and electron transport chain follow
citric acid is the first product
why is the kreb cycle known as citric acid cycle?