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BIochem > Carbohydrates 1 > Flashcards

Carbohydrates 1 Flashcards

1
Q

Hydrates of carbon

A

Carbohydrates

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2
Q

Polymers of polyhydroxyaldehydes/ polyhydroxyketones & deriv

A

Carbohydrates

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3
Q

Aldehyde / ketone deriv of polyhydric alc consisting C, H, O where the ration of H & O is same as water

A

Carbohydrates

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4
Q

CHOH

A

Carbohydrates

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5
Q

Storage form of energy in the body

A

Carbohydrates

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6
Q

Provide significant fraction of energy in the diet of most org

A

Carbohydrates

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7
Q

Serves as structural component of many org

A

Carbohydrates

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8
Q

Carbohydrates in bacteria

A

Cell walls

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9
Q

Carbohydrates in insects

A

Exoskeleton

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10
Q

Carbohydrates in plants

A

Fibrous cellulose

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11
Q

Classification of Carbohydrates

A

Monosaccharide
Oligosaccharide
Polysaccharide

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12
Q

Most impt carbohydrate

A

Glucose

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13
Q

Major metabolic fuel of mammals

A

Glucose

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14
Q

Universal fuel of fetus

A

Glucose

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15
Q

For storage

A

Starch

Glycogen

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16
Q

Found in nucleic acid

A

Ribose

Deoxyribose

17
Q

Lactose in milk, glycolipids, glycoproteins, proteoglycans

A

Galactose

18
Q

Glucose is phosphorylated, converted to fructose, then fructose is phosphorylated

A

1st step

1st stage Glycolysis

19
Q

Produces 2 mols:
Dihydroxyacetone phosphate
Glyceraldehyde-3-phosphate

A

2nd step

2nd stage Glycolysis

20
Q

Gly 3-P is oxidized by NAD+ 7 phosphorylated w/ Pi producing:
1,3-bisphosphoglycerate
NADH

A

1st step

2nd stage Glycolysis

21
Q

Phosphates are transferred to ADP producing ATP in 2 diff steps

A

2nd step

2nd stage Glycolysis

22
Q

Final product: 2x (Pyruvate + 2 ATP + NADH)

A

3rd step

2nd stage Glycolysis

23
Q

NADH oxidized to NAD+ (when O2 is avail)

A

Final step in Glycolysis

24
Q

Pyruvate is reduced by NADH to Lactate & NAD+

A

Anaerobic

25
Q

Pyruvate transported to mitochondrion

A

Aerobic

26
Q

Citric acid cycle aka

A

Tricarboxylic acid cycle

Krebs cycle

27
Q

Citric acid cycle goal

A

Take pyruvate and put it in Krebs cycle

28
Q

Citric acid cycle product

A

NADH

FADH2

29
Q

Citric acid cycle steps

A

Conversion of pyruvate to acetyl CoA

Krebs cycle proper

30
Q

C,H,O in Krebs cycle becomes

A

CO2

H2O

31
Q

Krebs cycle + conversion of pyruvate =

A

2 ATPs
8 NADHs
2 FADH2s
per glucose mol

BIochem (14 decks)

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