Exam - Pantothenic Acid Flashcards

1
Q

where is pantothenic acid present

A

everywhere - virtually all plant and animal food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

is there pantothenic acid deficiency

A

next to impossible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

is there any toxicity associated with pantothenic acid

A

little to none

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

how does pantothenic acid occur in foods

A

in free and bound forms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what does most pantothenic acid in food occurs as

A

a part of coenzyme A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

where is pantothenic acid absorbed

A

in jejunum by passive diffusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

how is pantothenic acid found in blood

A

free

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

how does pantothenic acid uptake occur

A

through the sodium dependent multivitamin transporter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is pantothenic acid a precursor in

A

the synthesis of CoA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how is pantothenic acid a precursor for CoA

A

pantothenic acid –> 4-phosphopantetheine –> Coenzyme A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is 4-phosphopantetheine the active form in

A

fatty acid synthesis - important component of acyl-carrier protein in the fatty acid synthase complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is CoA the active form in

A

oxidative reactions - energy production and formation of acetyl-CoA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is required to make CoA

A

cysteine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly