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Metabolism > W26/L8 > Flashcards

W26/L8 Flashcards

1
Q

What is B1 aka?

A

Thiamin

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2
Q

What is B2 aka?

A

Riboflavin

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3
Q

What is B3 aka?

A

Niacin

Nicotinamide

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4
Q

What is B6 aka?

A

Pyridoxine

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5
Q

What is VitC aka?

A

Ascorbic acid

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6
Q

What compounds fall under Vit A?

A

Retinol
Retinal
Retinoid acid

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7
Q

Which vitamins are fat soluble?

A

A, D, E & K

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8
Q

What are good food sources of thiamin?

A

Vegemite
Wholemeal breads/fortified cereals
Buckwheat (soba noodles)

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9
Q

What are good food sources of riboflavin?

A

Vegemite
Milk/cheese
Fortified cereals

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10
Q

What are good food sources of niacin?

A

Vegemite
Wheat bran
Fortified cereals

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11
Q

What are good food sources of pyridoxine?

A

Vegemite
Nuts
Bananas
Fortified cereals

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12
Q

What are good food sources of biotin?

A

Brewer’s yeast
Cooked egg yolk
Soy beans

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13
Q

What are good food sources of folate?

A

Green leafy vegetables
Liver
Fortified cereals

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14
Q

What are good food sources of Vit B12?

A

Meat
Egg yolks
Cheese

(Mushrooms, only cause they tend to grow on mean-containing compost, and become “infected” with B12)

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15
Q

What are good food sources of Vit C?

A

Citrus fruits

Cabbage

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16
Q

What are good food sources of Vit A?

A

Lots of fruits & veg - especially carrots
Liver

(Derived from beta-carotene in vegetables, stored in the liver)

17
Q

What is our source of Vit D?

A

It’s derived from cholesterol & requires UV light for synthesis, so technically it’s not a vitamin - we make it ourselves

18
Q

What is a good food source of Vit E?

A

Seed oils

19
Q

What is our source of Vit K

A

Produced by gut flora

20
Q

What’s the biological role of biotin?

A

Co-enzyme that adds CO2 -> required for glucose, fat & AA biosynthesis

21
Q

What’s the biological role of folate?

A

“one-carbon” metabolism

AA, fat, purines for DNA

22
Q

What’s the biological role of Vit B12

A

Forms a coenzyme (with cobalt) important for folate metabolism & transalylations -> important for DNA synthesis

23
Q

What are the biological roles of thiamin? (3)

A

Nerve function
CHO, protein and fat metabolism
Co-enzyme for pyruvate dehdrogenase -> is required for conversion of pyruvate to acetylCoA and all aerobic metabolism

24
Q

What’s the biological role of riboflavin?

A

Electron carrier -> cofactor for TCA cycle

CHO, protein and fat metabolism

25
Q

What’s the biological role of niacin?

A

Coenzyme
Electron carrier (NADH, NADPH)
CHO, protein and fat metabolism

26
Q

What’s the biological role of pyridoxine?

A

AA metabolism

27
Q

What’s the biological role of Vit C?

A

Cofactor in collagen synthesis
NT metabolism
Fe absorption
Antioxidant

28
Q

What’s the biological role of Vit A?

A

Important for retina (night vision)

Epithelial growth

29
Q

What are the biological roles of Vit D?

A

Ca2+ regulation & bone development

30
Q

What is required for B12 absorption in the small intestine?

A

Intrinsic factor

a glycoprotein produced by stomach parietal cells

Metabolism (7 decks)

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