Pentose Phosphate Pathway: Reversible Portion Flashcards

1
Q

What is the purpose of the PPP (reversible) for the Liver only

A

Uses Ribose 5P for nucleotide synthesis

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

What is the rxn of the PPP (reversible) for the Liver only

A

Ribulose 5P + Ribulose 5P —> Xylulose 5P + Ribose 5P

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

What are the nucleotides in the Liver only

A

ATP, GTP, CTP, TTP, UTP, NAD+, FAD, NADP+

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

What is the purpose of the PPP (reversible) for RBC

A

Fructose 6P and Glyceraldehyde 3P to renter glycolysis

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

In RBC:
Finish the rxn: Ribulose 5P + Ribulose 5P —>

A

Xylulose 5P + Ribose 5P (epimerase and isomerase)

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

In RBC:
Finish the rxn: Xylyulose 5P + Ribose 5P —->

A

Glyceraldehyde 3P + Sedoheptulose 7P (Transketolase)

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

In RBC:
Finish the rxn: Glyceraldehyde 3P + Sedoheptulose 7P —->

A

Fructose 6P + Erythrose 4P (transaldolase)

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

In RBC:
Finish the rxn: Erythrose 4P + Ribulose 5P —–>

A

Glyceraldehyde 3P + Fructose 6P

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

What rxn re-enters glycolysis

A

Glyceraldehyde 3P + Fructose 6P

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

What are the pentose sugars found in the RBC and what type of enzyme do they require?

A

Erythrose 4P
Xlylulose 5P
Sedoheptulose 7P

Transaldolase

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