Q1: What are the products of cellular respiration? Q2: Considering the inputs and products of each process, why is cellular respiration considered the reciprocal process to photosynthesis? Q3: Which of the three stages of cellular respiration—glycolysis, the Krebs cycle, or oxidative phosphorylation—could organisms have used 4 billion years ago, before photosynthesis by cyanobacteria released oxygen into the atmosphere? Glucose inGlycolysis occurs incell cytoplasm (outsidemitochondrion).cytoplasmOxygan in -GlucoseADP • eNADCarbondioxide outInnermitochondrialNADHATPPyruvatemembraneMitochondrialmatrixEnergy(ATP, ofc)Water outATPTo Krebs cycleKrebs cycle, or citricacki cycle, occurs inmitochondrial matrix.Oxidativephosphorylation ocursin inner mifochondrialmembrane.PyruvaleH,0FADNADCOADPATPFADH,NADHH*NADATPNADHATPsynthaseTo oxklative phosphorylationH*HHEkectrons attain a highenergy state as they movealong the electron fransportchain (bluo arrows).O Protein complexes serveas proton (H) pumpsand eloctron carriors.Hydrogen lons bulldup and move throughthe ATP synthase,tueling ATP synthesis.

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Answered: Glucose in Glycolysis occurs in cell…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Q1: What are the products of cellular respiration? Q2: Considering the inputs and products of each process, why is cellular respiration considered the reciprocal process to photosynthesis? Q3: Which of the three stages of cellular respiration—glycolysis, the Krebs cycle, or oxidative phosphorylation—could organisms have used 4 billion years ago, before photosynthesis by cyanobacteria released oxygen into the atmosphere?

Glucose in
Glycolysis occurs in
cell cytoplasm (outside
mitochondrion).
cytoplasm
Oxygan in -
Glucose
ADP • e
NAD
Carbon
dioxide out
Inner
mitochondrial
NADH
ATP
Pyruvate
membrane
Mitochondrial
matrix
Energy
(ATP, ofc)
Water out
ATP
To Krebs cycle
Krebs cycle, or citric
acki cycle, occurs in
mitochondrial matrix.
Oxidative
phosphorylation ocurs
in inner mifochondrial
membrane.
Pyruvale
H,0
FAD
NAD
CO
ADP
ATP
FADH,
NADH
H*
NAD
ATP
NADH
ATP
synthase
To oxklative phosphorylation
H*
H
H
Ekectrons attain a high
energy state as they move
along the electron fransport
chain (bluo arrows).
O Protein complexes serve
as proton (H) pumps
and eloctron carriors.
Hydrogen lons bulld
up and move through
the ATP synthase,
tueling ATP synthesis.

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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