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MABS Biochemistry > Vitamins and Coenzymes > Flashcards

Vitamins and Coenzymes Flashcards

Major Coenzymes

1
Q

what is the vitamin source for Adenosine triphosphate (ATP)?

A

not available, used as is

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2
Q

what is the vitamin source for S-Adenosylmethionine?

A

not available, used as is

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3
Q

what is the vitamin source for NAD and NADP?

A

Niacin

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4
Q

what is the vitamin source for FMN and FAD?

A

Riboflavin

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5
Q

what is the vitamin source for Coenzyme A (CoA)?

A

Pantothenate (Vit B5)

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6
Q

what is the vitamin source for thiamine pyrophosphate (TPP)?

A

thiamine (B1)

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7
Q

what is the vitamin source for pyridoxal phosphate (PLP)?

A

pyridoxine (B6)

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8
Q

what is the vitamin source for Biotin?

A

Biotin

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9
Q

what is the vitamin source for tetrahydrofolate?

A

folate

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10
Q

what is the vitamin source for adenosylcobalamin and methylcobalamin?

A

cobalamin (B12)

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11
Q

what is the vitamin source for lipoamide?

A

as is, not available

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12
Q

what is the vitamin source for retinal?

A

vitamin A

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13
Q

what is the vitamin source for vitamin K?

A

vitamin K

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14
Q

what is the vitamin source for ubiquinone?

A

not available, used as is

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15
Q

what are the two cofactors of Cobalamin?

A

adenosylcobalamin and methylcobalamin

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16
Q

what is the major metabolic role of ATP?

A

transfer of phosphorylation or nucleotidyl groups

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17
Q

what is the major metabolic role of S-adenosylmethionine?

A

transfer of methyl groups

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18
Q

what is the major metabolic role of NAD and NADP?

A

oxidation reduction reactions involving two electron transfers

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19
Q

what is the major metabolic role of FMN and FAD?

A

oxidation reduction reactions involving one and two electron transfers

20
Q

what is the major metabolic role of Coenzyme A?

A

transfer of acyl groups

21
Q

what is the major metabolic role of thiamine pyrophosphate?

A

transfer of two carbon fragments containing a carbonyl group

22
Q

what is the major metabolic role of pyridoxal phosphate (PLP)?

A

transfer of groups to and from amino acids

23
Q

what is the major metabolic role biotin?

A

ATP dependent carboxylation of substrates or carboxyl group transfer between substrates

24
Q

what is the major metabolic role of tetrahydrofolate?

A

transfer of one carbon substituent, especially formyl and hydroxymethyl groups; they provide the methyl group for thymine in DNA

25
Q

what is the major metabolic role of adenosylcobalamin?

A

intramolecular rearrangement

26
Q

what is the major metabolic role of methylcobalamin?

A

transfer of methyl groups

27
Q

what is the major metabolic role of lipoamide?

A

oxidation of a hydroxyalkyl group from TPP and subsequent transfer as an acyl group

28
Q

what is the major metabolic role of Retinal?

A

vision

29
Q

what is the major metabolic role of vitamin K?

A

carboxylation of some glutamate residues

30
Q

what is the major metabolic role of ubiquinone?

A

lipid soluble electron carrier

31
Q

what is vitamin B3 also known as?

A

Niacin

32
Q

what is vitamin B2 also known as?

A

riboflavin

33
Q

what is vitamin B1 also known as?

A

thiamine

34
Q

what is vitamin B5 also known as?

A

Pantothenate

35
Q

what is vitamin B6 also known as?

A

Pyridoxine

36
Q

what is vitamin B7 also known as?

A

Biotin

37
Q

what is vitamin B9 also known as?

A

folate

38
Q

what is vitamin B12 also known as?

A

adenosylcobalamin and methylcobalamin

39
Q

what is Niacin also known as?

A

B3

40
Q

what is riboflavin also known as?

A

B2

41
Q

what is pantothenate also known as?

A

B5

42
Q

what is thiamine also known as?

A

B1

43
Q

what is pyridoxine also known as?

A

B6

44
Q

what is biotin also known as?

A

B7

45
Q

what is folate also known as?

A

B9

46
Q

what is cobalamin also known as?

A

B12

MABS Biochemistry (54 decks)

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