powerpoint presentation 275 lecture 12-01-2010.pdf · glucose polimer with 1,4-glycoside bonds...
TRANSCRIPT
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glucose
fructose
Disaccharides
Sucrose
Lactose
glucose
galactose
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Maltose
glucose
glucose
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Amylopectin
all glucose
Starch = Amylose + Amylopectin (How plants store glucose)
Amylose
all glucose
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Amylopectin – how plants store glucose
Glycogen – how animals store glucose (same structure but more branch points Amylopectin – branch every 12-20 units
Glycogen – branch every 8-10 units)
The 20-mile mark - when you run out of glycogen :
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Cellulose – glucose polimer with 1,4-glycoside bonds
Amylose
Cellulose: the most widely distributed plant skeletal sugar ½ the cell wall material of wood
almost 100% of cotton
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glucose
2 x pyruvate
+ energy
Glycolysis: the breakdown of glucose to pyruvate
Krebs cycle (more energy)
For your interest: Glycolysis scheme from Wikipedia
Glycolysis 10-steps