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Title: The ways organisms generate ATP
Description: An account outlining the similarities and differences in the way that mitochondria and chloroplasts generate a proton gradient and generate ATP.
Description: An account outlining the similarities and differences in the way that mitochondria and chloroplasts generate a proton gradient and generate ATP.
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i)
Write an account outlining the similarities and differences in the way that
mitochondria and chloroplasts generate a proton gradient and generate
ATP
...
Both pump protons across a membrane from a region of low H + concentration to a
high H+ concentration
...
Hydrogen diffuses down the gradient to the phosphorylation of ADP
...
Differences
Mitochondria
Food molecules are oxidised for respiration in mitochondria to chemical energy
...
In the mitochondria, the inner membrane pumps protons from the mitochondrial
matrix out to the inter membrane space, which is where hydrogen ions power the
ATP synthase
...
Exothermic process
NADH and FADH2 is the electron acceptor which carries electrons
Chloroplast
The thylakoid membrane of the chloroplast pumps protons from the stroma into the
thylakoid space
...
So ATP forms in the stroma
...
In the chloroplasts, photosystems capture light energy and use it to drive electrons to
the top of the transport chain, turning light energy into chemical energy
Title: The ways organisms generate ATP
Description: An account outlining the similarities and differences in the way that mitochondria and chloroplasts generate a proton gradient and generate ATP.
Description: An account outlining the similarities and differences in the way that mitochondria and chloroplasts generate a proton gradient and generate ATP.