ATP energy molecules are synthesized during the oxidative phosphorylation of cellular respiration in mitochondria and the light reaction of photosynthesis in chloroplasts. Using the diagram below as a guide, compare and contrast the mechanisms of ATP synthesis in the two processes. Chemiosmosis in Mitochondria and ChloroplastsMitochondrionChloroplastDiffusion ofInter-H* throughATP synthaseThylakoidmembranespacespaceH*ElectronThylakoidInnertransportchain (ETC)membraneMITOCHONDRIONCHLOROPLASTSTRUCTUREmembraneSTRUCTUREАТРsynthasePumpingof H*StromaMatrixby ETCADP +P;KeyATPH*Higher [H*]|Lower [H*]H*© 2016 Pearson Education, Inc.

Adenosine triphosphate (ATP) is an energy carrying molecule found in the cells of all living things.…

Answered: Chemiosmosis in Mitochondria and…

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter20: Electron Transport And Oxidative Phosphorylation

Section: Chapter Questions

Problem 20P: Imagine that you are working with isolated mitochondria and you manage to double the ratio of...

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ATP energy molecules are synthesized during the oxidative phosphorylation of cellular respiration in mitochondria and the light reaction of photosynthesis in chloroplasts. Using the diagram below as a guide, compare and contrast the mechanisms of ATP synthesis in the two processes.

Chemiosmosis in Mitochondria and Chloroplasts
Mitochondrion
Chloroplast
Diffusion of
Inter-
H* through
ATP synthase
Thylakoid
membrane
space
space
H*
Electron
Thylakoid
Inner
transport
chain (ETC)
membrane
MITOCHONDRION
CHLOROPLAST
STRUCTURE
membrane
STRUCTURE
АТР
synthase
Pumping
of H*
Stroma
Matrix
by ETC
ADP +P;
Key
ATP
H*
Higher [H*]
|Lower [H*]
H*
© 2016 Pearson Education, Inc.

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

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