Biochem 2 Wk 2 Flashcards

1
Q

Compound

A

Carbonyl

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2
Q

Name the three energy systems

A

ATP - PC (Phosphagen and Creatine Phosphate Systems)

Glycolysis (Anerobic)

Aerobic System (Krebs and Electron transport)

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3
Q

ATP-PC System synopsis (3 facts)

A

Coupled Reaction Fast replacement

Short duration (5-10 sec)

Predominates in short explosive activity

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4
Q

ATP-PC Key enzyme

A

Creatine Kinase

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5
Q

ATP-PC Reactants

A

ADP, AMP, Pi

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6
Q

ATP-PC Products

A

ATP

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7
Q

Glycolysis Products

A

ATP, NADH, pyruvate, lactic acid alaninne

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8
Q

Glycolysis Reactants

A

Glucose, ADP, AMP, Pi

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9
Q

Glycolysis Key Enzymes

A

Hexokinase

Phosphofructokinase (PFK)

Pyruvate Kinase

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10
Q

Oxidation is

A

the addition of oxygen, removal of hydrogen, or the removal of electrons from an element or compound

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11
Q

Reduction is

A

the removal of oxygen, addition of hydrogen, or the addition of electrons from an element or compound

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12
Q

Aerobic System Location

A

Krebs - cytosol

ETC - mitochondria

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13
Q

Aerobic Pathway Reactants

A

Fat, Carb, Protein

ADP, AMP, Pi, Acetyl, Citrate, NAD, FAD

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14
Q

Aerobic Pathway Key enzyme

A

Dehydrogenases

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15
Q

Carb Storage amounts in muscles and liver:

A

300-400g in body

70-100g in liver

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16
Q

Fat store amount for 70kg male

A

100,000 kcal triglycerides

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17
Q

Free amino acid pool size:

A

100-200g

less than 2% of total body protein (12kg)

1/2 of free poll in intracellular skeletal muscle

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18
Q

Respritory Quotent (RQ) definition

A

Ratio of the volume of carbon dioxide expired to the volume of oxygen consumed.

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19
Q

Respritory quotent of 1 means

A

the body is burning pure carbs

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20
Q

A respritory quotent of .71 means

A

the body is burning pure fat

21
Q

At rest the body burns ___ % fat

A

70%

22
Q

During exercise the body burns ___% fat

A

50%

23
Q

Percent VO2 max range of highest fat burning:

A

~55-75%

24
Q

High RQ means the muscles are being exercised T/F

A

True

25
Q

Compound

A

Aldehyde

26
Q

Compound

A

Keytone

27
Q

COOH or

A

Carboxyl

28
Q

Compound

A

Ester

29
Q

Compound

OH

A

Hydroxyl

30
Q

Compound

MH3

A

Methyl

31
Q

Compound

A

Phosphate

32
Q

Compound

NH2

A

Amino

33
Q

NAD derived from

A

niacin

34
Q

FAD derived from

A

riboflaven

35
Q

Coenzyme A derived from:

Function:

Makes:

A

panothenic acid (B vitamin)

Holds or transfers acetyl or acyl groups

“thioester bond”

36
Q

ATP used to build 6 things

A

fat

glucose

glycogen

protein

cholesterol

nucleotides

37
Q

Amount of energy realeased in breakdown of ATP

A

ΔG = -7.3 kcal/mol

38
Q

_ [ATP] + 1/2 [ADP] _

[ATP] + [ADP] + [AMP]

This equation is used to calculate

A

Energy charge

0 charge means all AMP

1 means all ATP

Normal cell level is .8 to .95

39
Q

High energy charge enduces the cell to

A

Build:

fat, glycogen, glucose, cholesterol, nucleotides

40
Q

Low energy charge enduces the cell to

A

create ATP through

the phosphocreatine system, glycolysis, fat oxidation, amino acid oxication, the aerobic system

41
Q

ATP frequency usage

A

40 Kg/ day at rest

1 lb per minute of exercise

42
Q

Excess product will

A

inhibit the enzyme

(enzyme inhibition)

43
Q

Excess Reactant will

A

stimulate the enzyme

(mass action)

44
Q

scarce enzyme will

A

stimulate the enzyme

45
Q

Scarce reactants will

A

inhibit the enzyme

46
Q

Name the molecule

A

Glucose

47
Q

What enzyme works on this molecule in glycolysis?

A

hexokinase

48
Q
A