V Figure 9.9 A closer look at glycolysis. Note that glycolysis is a source of ATP and NADH. PYRUVATE OKIDATION CITRIC ACID CYCLE OXIDATIVE PHOSPHORYL ATION GLYCOLYSIS GLYCOLYSIS: Energy Investment Phase WHAT IF? > What would happen if you removed the dihydroxyacetone phosphate generated in step 4 as fast as it was produced? Glyceraldehyde 3-phosphate (G3P) HÇ-O Glucose 6-phosphate ATP Fructose АТР Fructose Снон Glucose 6-phosphate 1,6-bisphosphate CH,OH ADP CH,0-O CH,0-® CH,OH ADP 0-OCH, CH,0-O Isomerase H/H HỌ OH OH OH OH Hexokinase HO H OH Aldolase Phosphogluco- isomerase Phospho- fructokinase Dihydroxyacetone phosphate (DHAP) но H но H H OH он CH,0-O Hexokinase transfers a phosphate group from ATP to glucose, making it more chemically reactive. The charge on the phosphate also traps the sugar in the cell. Glucose 6- phosphate is converted to fructose 6-phosphate. Phosphofructokinase transfers a phosphate group from ATP to the opposite end of the sugar, investing a second molecule of ATP. This is Aldolase cleaves the sugar molecule into two different three-carbon CH,OH Conversion between DHAP and G3P: This reaction never reaches equilibrium; G3P is used in the next step as fast as it forms. sugars. a key step for regulation of glycolysis.
V Figure 9.9 A closer look at glycolysis. Note that glycolysis is a source of ATP and NADH. PYRUVATE OKIDATION CITRIC ACID CYCLE OXIDATIVE PHOSPHORYL ATION GLYCOLYSIS GLYCOLYSIS: Energy Investment Phase WHAT IF? > What would happen if you removed the dihydroxyacetone phosphate generated in step 4 as fast as it was produced? Glyceraldehyde 3-phosphate (G3P) HÇ-O Glucose 6-phosphate ATP Fructose АТР Fructose Снон Glucose 6-phosphate 1,6-bisphosphate CH,OH ADP CH,0-O CH,0-® CH,OH ADP 0-OCH, CH,0-O Isomerase H/H HỌ OH OH OH OH Hexokinase HO H OH Aldolase Phosphogluco- isomerase Phospho- fructokinase Dihydroxyacetone phosphate (DHAP) но H но H H OH он CH,0-O Hexokinase transfers a phosphate group from ATP to glucose, making it more chemically reactive. The charge on the phosphate also traps the sugar in the cell. Glucose 6- phosphate is converted to fructose 6-phosphate. Phosphofructokinase transfers a phosphate group from ATP to the opposite end of the sugar, investing a second molecule of ATP. This is Aldolase cleaves the sugar molecule into two different three-carbon CH,OH Conversion between DHAP and G3P: This reaction never reaches equilibrium; G3P is used in the next step as fast as it forms. sugars. a key step for regulation of glycolysis.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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During the
Transcribed Image Text:V Figure 9.9 A closer look at glycolysis. Note that glycolysis is a source
of ATP and NADH.
PYRUVATE
OKIDATION
CITRIC
ACID
CYCLE
OXIDATIVE
PHOSPHORYL
ATION
GLYCOLYSIS
GLYCOLYSIS: Energy Investment Phase
WHAT IF? > What would happen if you removed the dihydroxyacetone phosphate
generated in step 4 as fast as it was produced?
Glyceraldehyde
3-phosphate (G3P)
HÇ-O
Glucose
6-phosphate
ATP
Fructose
АТР
Fructose
Снон
Glucose
6-phosphate
1,6-bisphosphate
CH,OH
ADP
CH,0-O
CH,0-® CH,OH
ADP
0-OCH,
CH,0-O
Isomerase
H/H
HỌ
OH
OH
OH
OH Hexokinase HO
H
OH
Aldolase
Phosphogluco-
isomerase
Phospho-
fructokinase
Dihydroxyacetone
phosphate (DHAP)
но
H
но
H
H
OH
он
CH,0-O
Hexokinase transfers
a phosphate group
from ATP to glucose,
making it more
chemically reactive.
The charge on the
phosphate also traps
the sugar in the cell.
Glucose 6-
phosphate is
converted to
fructose
6-phosphate.
Phosphofructokinase
transfers a phosphate
group from ATP to the
opposite end of the
sugar, investing a second
molecule of ATP. This is
Aldolase cleaves
the sugar
molecule into
two different
three-carbon
CH,OH
Conversion between DHAP
and G3P: This reaction
never reaches equilibrium;
G3P is used in the next step
as fast as it forms.
sugars.
a key step for regulation
of glycolysis.
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