Glycolysis worksheet Flashcards

1
Q

TRUE glycogen

A
  1. stored in the muscle and is used only by the muscle
  2. storage will increase after a big meal
  3. stored in the liver is used to regulate the body’s blood sugar
  4. it is the most branched of all the polysaccharides
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2
Q

Glycogen is stored in

A

the muscle

and is used only by the muscle

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3
Q

glycogen storage will

A

increase after a big meal

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4
Q

glycogen stored in the liver

A

is used to regulate the body’s blood sugar

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5
Q

glycogen is the

A

most branched of all the polysaccharides

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6
Q

Blood sugar can

A

all cells can use blood sugar

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7
Q

Red blood cells

A

can use ONLY blood sugar for its energy

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8
Q

High blood sugar

A

hyperglycemia

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9
Q

if blood sugar gets too high

A

excess can be excreted by the kidneys

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10
Q

blood sugar is regulated

A

by hormones

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11
Q

hypoglycemia can

A

lead to fainting and shock

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12
Q

hyperglycemia can

A

cause blindness and cardiovascular disease

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13
Q

glucagon is composed

A

of amino acids

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14
Q

glucagon is synthesized by

A

the pancreas

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15
Q

glucagon’s concentration

A

will be low when insulin’s concentration is high

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16
Q

insulin is

A

a protein hormone

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17
Q

insulin’s nickname

A

“feast” hormone

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18
Q

Insulin tries

A

to lower blood sugar after a meal

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19
Q

insulin will inhibit

A

glycogenolysis

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20
Q

insulin will also inhibit

A

gluconeogenesis

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21
Q

insulin will stimulate

A

entry of glucose into a muscle cell

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22
Q

insulin will inhibit the

A

breakdown of fatty acids

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23
Q

does NOT occur in “fight or flight”

A

epinephrine crosses the cell membrane

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24
Q

glycogen is converted to glucose-1-phosphate in the muscles

A

“fight or flight”

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25
Q

epinephrine stimulates the production of cyclic-AMP in muscle cells

A

“fight or flight”

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26
Q

cAMP causes the glycogen synthetase to be deactivated

A

“fight or flight”

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27
Q

glycogenolysis is stimulated

A

“fight or flight”

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28
Q

which are proteins (polypeptides)

A

insulin

lactic acid dehydrogenase

glucagon

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29
Q

polysaccharides

A

glycogen

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30
Q

move through the cell membrane

A

cortisol

glucose

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31
Q

stimulate fatty acid synthesis from acetylCoA

A

insulin

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32
Q

stimulate the immediate conversion of glycogen to glucose-1-phosphate in the liver

A

glucagon

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33
Q

stimulate the immediate conversion of glycogen to glucose-1-phosphate in the muscle

A

epinephrine

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34
Q

stimulate the conversion of certain amino acids to glucose in gluconeogenesis

A

cortisol

glucagon

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35
Q

anabolism

catabolism

A

reverse order

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36
Q

gluconeogenesis

glycolysis

A

not reverse order

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37
Q

glycogenolysis

glycogenesis

A

reverse order

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38
Q

photosynthesis

complete oxidation of glucose

A

reverse order

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39
Q

compounds converted to glucose in gluconeogenesis

A

lactic acid

glycerol

some amino acids

40
Q

which cells need insulin for glucose reentry

A

muscle cells
liver
adipose

41
Q

if glycogen synthetase were allosteric, what effect would ATP have on it

A

active

42
Q

the purpose of converting pyruvic acid to lactic acid is to regnerate

A

NAD

43
Q

fructose-6-phosphate to

glucose-6-phosphate

A

no energy needed

44
Q

inhibits glycogenesis in the liver

A

glucagon

45
Q

stimulates glycogenolysis in the muscle

A

ephinephrine

46
Q

stimulates entry of glucose into a muscle cell

A

insulin

47
Q

inhibits gluconeogenesis

A

insulin

48
Q

stimulates entry of glucose into brain cell

A

none

49
Q

glucose

A

can move through cell

50
Q

glycogen

A

cannot move through cell

51
Q

CO2

A

can move through cell

52
Q

galactose

A

move through cell

53
Q

glucose-1-phosphate

A

cannot move through cell

54
Q

steroid hormones

A

move through cell

55
Q

fatty acid

A

move through cell

56
Q

glycerol

A

move through cell

57
Q

protein hormones

A

cannot move through cell

58
Q

epinephrine

A

cannot move through cell

59
Q

amino acid

A

move through cell

60
Q

polypeptides

A

cannot move through cell

61
Q

TRUE insulin

A

inhibits glycogenolysis

stimulates entry of glucose into muscle tissue & liver tissue

62
Q

insulin inhibits

A

glycogenolysis

63
Q

insulin stimulates entry

A

of glucose into muscle tissue & liver tissue

64
Q

FALSE insulin

A
  1. too much insulin will result in hyperglycemia
  2. stimulates entry of glucose into brain cells
  3. stimulates gluconeogenesis
65
Q

cAMP system is used for

A

mainly protein hormones

66
Q

glycogen to

glucose-1-phosphate

A

phosphorylase

67
Q

glucose-1-phosphate to

glucose-6-phosphate

A

mutase

68
Q

glucose & ATP to

glucose-6-phophate & ADP

A

kinase

69
Q

glucose-6-phosphate to

glucose

A

phosphatase

70
Q

glycolysis is taking place in a red blood cell, where is the starting point

A

glucose

71
Q

if glycolysis is taking place in a muscle cell (within the first few hours), what is the starting point

A

glycogen

72
Q

in glycolysis, glucose is converted to

A

pyruvate

73
Q

which steps in glycolysis have allosteric enzymes

A

1, 3, 10

74
Q

what steps of glycolysis consume ATP

A

step 1

step 3

75
Q

making of lactic acid in step 11a of glycolysis has no value except for getting NAD+ back

A

true

76
Q

the purpose of glycolysis is to produce ATP

A

true

77
Q

steps 1, 2, 3, and 10 of glycolysis

are catalyzed by allosteric enzymes

A

false

78
Q

pyruvic acid produced in glycolysis goes to the krebs cycle under anaerobic conditions

A

false

aerobic

79
Q

the net gain of glycolysis starting from glycogen in the muscle is 3 ATP and 2NADH

A

true

80
Q

glycogen (muscle) ATP: NADH

A

3 ATP

2 NADH

81
Q

glucose ATP: NADH

A

2ATP

2 NADH

82
Q

phosphorylation of glycogen phosphorylase decreases its activity

A

flase

83
Q

phosphorylation of glycogen phosphorylase increases its activity

A

true

84
Q

phosphorylation of glycogen synthetase decreases its activity

A

true

85
Q

protein kinase, activated by cAMP, attaches a phosphate group to several proteins in the cell

A

true

86
Q

protein kinase acts on phosphorylase kinase and glycogen synthetase by covalent modification

A

true

87
Q

adenylate cyclase converts cAMP to ATP + 2 phosphates

A

false

88
Q

Fructose-6-pi —> Fructose + Pi

A

exothermic

89
Q

ADP + Pi —> ATP

A

endothermic

90
Q

Fructose-6-Pi + ADP —> Fructose

A

endothermic

91
Q

creatine- Pi —> creatine + Pi

A

exothermic

92
Q

ADP + Pi —-> ATP

A

endothermic

93
Q

creatine-Pi + ADP —> creatine + ATP

A

exothermic

94
Q

glucose-6-Pi —-> glucose + Pi

A

exothermic

95
Q

creatine + Pi —> creatine -Pi

A

endothermic

96
Q

glucose-6-Pi + creatine —> glucose +creatine-Pi

A

enothermic