3.3 Water Soluble Vitamins Flashcards Preview

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Flashcards in 3.3 Water Soluble Vitamins Deck (28):
0

B1 refers to what vitamin?

Thiamine

1

Thiamine is a coenzyme in what situations?

Decarboxylations of alpha keto acids such as pyruvate

2

What deficiency is involved in Thiamine deficiency?

Beri Beri

3

What deficiency is found in alcoholics and is characterized by a loss of memory. This is also a deficiency of Thiamine.

Wernick-Korsakoff Syndrome

4

How is Riboflavin used in metabolism?

As FAD, It is used in metabolic pathways

5

Riboflavin is also called what?

Vitamin B2

6

Vitamin B3 is also called?

Niacine

7

What vitamin is used in the metabolism as NAD+ and NADP

Niacine (B3)

8

Niacine deficiency is connected to what disorder?

Pellagra (3 D's --> Dermatitis, Diarrhea, Dementia)

9

What are the 3 D's of Pellagra?

Dermatitis, Diarrhea and Dementia

10

Other name for Vitamin B5

Pantothenate

11

What is Vitamin B5 (Pantothenate) used for in metabolism?

Synthesis of Coenzyme CoA

12

What vitamin is Pyrodoxine?

Vitamin B6

13

What vitamin is used in the metabolsim as a coenzyme for decarboxylases and aminotransferase (transaminase) reactions?

Pyrodoxine (B6)

14

What vitamin is required for Heme synthetic pathway?

Pyrodoxine (B6)

15

Biotin (B7) has what important role in metabolism?

Coenzyme in CO2 fixation in carboxylation reactions

16

What is avidin and how is involved with Vitamin B7?

Avidin is an egg white protein that forms with biotin so that biotin cannot properly perform its function

17

Another name for Vitamin B7

Biotin

18

Folic Acid is involved in what 2 important parts of metabolism?

One Carbon Metabolism
Essential for Purine and Pyrimidine Synthesis

19

What is a major disease occurring from a Folic Acid deficiency

Megoblastic Anemia

20

Vitamin B12 is also called what?

Cobalamin

21

How is Vitamin B12 (Cobalamin) used in metabolism

Required in synthesis of Methionine and Isomerization of methylmalonyl CoA

22

What occurs during a B12 deficiency?

Methyl form of Tetrahydrofolate (N5 methyl) accumulates and cannot be used to help form Methionine.

23

What two vitamins are involved in megoblastic anemia?

Folic Acid
Cobalamin (B12)

24

Vitamin C is also called?

Ascorbic Acid

25

What vitamin is involved in metabolism as a coenzyme in hydroxylation reactions

Vitamin C (Ascorbic Acid)

26

A deficiency in Vitamin C is characterized by what?

Defective formation of collagen fibers of CT

27

Vitamin C deficiency is largely connected what what disease?

Scurvy - bleeding into skin, bleeding gums