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Biochem Flashcards

1
Q

Table sugar is structurally?

A

Glucose+Fructose

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2
Q

What is the Rate Limiting Enzyme for Glycogenolysis?

A

Phosphorylase A

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3
Q

Which pair of Enzymes is unique to Gluconeogenesis?

A

Phosphenolpyruvate carboxykinase and pyruvate carboxy

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4
Q

Which form of dietary fiber is insouluble?

A

Cellulose

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5
Q

Which substrate is used to make GTP in the TCA cycle?

A

Succinyl COA

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6
Q

What cycle contains coenzyme q?

A

Electron Transport Chain

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7
Q

The ability of the liver to “recycle” lactic acid to glucose, which is then used by muscles is?

A

The Cori Cycle

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8
Q

Where does glycogenesis occur in the cell?

A

Cytoplasm

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9
Q

Which lipids are non-sponifiable?

A

Gangliosides

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10
Q

What is the regulatory enzyme in cholesterol biosynthesis?

A

HMG CoA reductase

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11
Q

Which is a carrier for fatty acids into the mitochondria?

A

Carnitine

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12
Q

The conversion of one amino acid to another amino acid is accomplished by

A

transanimation

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13
Q

Which amino acid is ketogenic?

A

lysine

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14
Q

acidic and basic animo acids for quaternary structure by utilizing which type of bond

A

Ionic

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15
Q

Niacin is derived from which amino acid?

A

tryptophan

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16
Q

Which mineral is antioxidant?

A

Selenium

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17
Q

What is the best source of dietary vitamin c?

A

broccoli and fruit

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18
Q

The end product of purine catabolism is?

A

uric acid

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19
Q

What process is used to make RNA from a dna template?

A

Transcription

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20
Q

Which type of rxn will proceed spontaneously?

A

Exergonic

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21
Q

The enzymatic rxn reaches v-max when?

A

the enzyme is saturated by the substrate

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22
Q

Enzymes

A

Do not affect the Keq of a rxn

23
Q

Which type of reaction will proceed spontaneously?

A

Exergonic

24
Q

What is the rate limiting enzyme for Glycolysis?

A

Glucokinase

25
Q

Low levels of glucose in the blood

A

Stimulate gluconeogenesis

26
Q

What cycle contains coenzyme Q?

A

Electron transport chain

27
Q

Where is the electron transport chain located in the cell?

A

Mitochondrial inner membrane

28
Q

What type of inhibition can be overcome by the addition of excess amounts of substrates?

A

Competitive

29
Q

Beta oxidation is used to?

A

Catabolize fatty acids to acetylCoA

30
Q

A deficiency of HMG Co-A will result in?

A

Decreased cholesterol synthesis

31
Q

Prostaglandins?

A

Facilitate (cause) inflammation

32
Q

The end product of purine catabolism is?

A

Uric Acid

33
Q

What process is used to make RNA from a DNA template?

A

Transcription

34
Q

Where do the carbon skeletons for the nonessential amino acids come from?

A

Carbohydrates

35
Q

Name a purine

A

Guanine

36
Q

Which of the following minerals is an antioxidant?

A

Selenium

37
Q

What will result if serum calcium is too low?

A

Tetany

38
Q

Which type of reaction will proceed spontaneously?

A

Exergonic

39
Q

What is the rate limiting enzyme for Glycolysis?

A

Phosphofructokinase

40
Q

Low levels of glucose in the blood

A

Stimulate gluconeogenesis

41
Q

What cycle contains coenzyme Q?

A

ETC

42
Q

Where is the ETC located in the cell?

A

Mitochondrial inner membrane

43
Q

What type of inhibition can be overcome by the addition of excess amounts of substrates?

A

Competitive

44
Q

Enzymes

A

Do not affect the Keq of a reaction

45
Q

Beta oxidation is used to?

A

Catabolize fatty acids to acetylCoA

46
Q

The deficiency of HMG Co-A will result in?

A

Decreased cholesterol synthesis

47
Q

Prostaglandins

A

Facilitate (cause) inflammation

48
Q

The end product of purine catabolism is?

A

Uric acid

49
Q

What process is used to make RNA from a DNA template?

A

Transcription

50
Q

The conversion of one amino acid to another amino acid is accomplished by/

A

Transamination

51
Q

Where do the carbon skeletons for nonessential amino acids come from?

A

Carbohydrates

52
Q

Which of the following is a purine?

A

Guanine

53
Q

Which of the following minerals is an antioxidant?

A

Selenium

54
Q

What will result if serum calcium is too low?

A

Tetany

Comp (12 decks)

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