Metabolism Flashcards

1
Q

Utilizing compounds for the generation of energy

A

Catabolism

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2
Q

Utilization of energy to produce compounds

A

Anabolism

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3
Q

What is a major intermediate in several pathways of energy production?

A

Acetylene-CoA

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4
Q

Pentose Phosphate Pathway

A

Generates NADPH,

Generates 5 carbon sugars for nucleotides

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5
Q

Glycolysis

A

Glucose to pyruvate, important side products in some tissues (Glycerol-3-phosphate, 2,3-bisphosphoglycerate)

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6
Q

Gluconeogenisis

A

Synthesis of glucose from pyruvate (non-carb sources).

Restricted to the liver/kidney

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7
Q

Source from carbs in glycoproteins and ptoteoglycans

A

Glucose

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8
Q

Source of glucuronides

A

Glucose (very active in the liver). Makes poorly soluble compounds more soluble in aqueous environment, thus more easily extracted. Active on bilirubin and drug substrates.

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9
Q

What is Acetyl-CoA a substrate for?

A

TCA cycle, Lipogenesis, Cholesterol synthesis, Ketone bodies

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10
Q

What are the two end fates for amino acids?

A

Elimination as urea, reutilization to form another amino acid

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11
Q

What is the main source of nitrogen for the body?

A

Amino Acids

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12
Q

Where does gluconeogenesis occur?

A

Kidneys/Liver

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13
Q

What type of metabolism can RBCs not utilize?

A

Aerobic carbohydrate metabolism

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14
Q

In what areas of the body is glycogen mainly found?

A

Muscle and liver

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15
Q

In what areas of the body are triglycerides mainly found?

A

Adipose tissue

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16
Q

What macros do phospholipids require?

A

Lipids, carbs, amino acids

17
Q

What macros do nucleotides require?

A

Carbs, amino acids

18
Q

Where does fatty acid oxidation occur?

A

Inside the mitochondria

19
Q

Where does fatty acid synthesis occur?

A

Inside the cytosol

20
Q

How many essential carbs are there?

A

None

21
Q

What type of fiber increases stool bulk and decreases transit time?

A

Cellulose and hemicellulose

22
Q

What type of fiber Increases stool bulk and binds cholesterol/carcinogens?

A

Ligins

23
Q

What types of fiber decrease the rate of gastric emptying/carb absorption/serum cholesterol?

A

Pectin and gums

24
Q

What is the “recommended” daily protein intake?

A

0.8 g/kg

25
Q

Which amino acid is considered essential for children?

A

Arginine

26
Q

When would an individuals have a positive nitrogen balance?

A

Growth, convalescence

27
Q

When would an individuals have a negative nitrogen balance?

A

Starvation, diseases, severe burns

28
Q

2 Essential fatty acids

A

Linoleic acid (_6) and LinoleNic acid (_3)

29
Q

Fats aid in absorbtion of what?

A

fat soluble vitamins

30
Q

Marasmus

A

Extreme emanciation from prolonged negative energy balance. Loss of protein from muscle/liver/heart/kidneys

31
Q

Kwashiorkor

A

Diet with adequate calories but inadequate protein.