F1. PENTOSE PHOSPHATE PATHWAY. Flashcards
1
Q
PENTOSE PHOSPHATE PATHWAY uses ____ to produce 3 products…
A
GLUCOSE.
1. NADPH.
2. ribose 5-phosphate.
3. numerous other sugar phosphates.
2
Q
Two stages within PPP:
A
- oxidative stage.
- nonoxidative stage.
3
Q
in OXIDATIVE STAGE:
- the reactant is?
- the product/s is/are?
A
- glucose 6-phosphate.
- ribulose 5-phosphate & CO2.
4
Q
in NONOXIDATIVE STAGE:
FIRST STEP:
- rxn involved?
- reactant?
- product?
- the reactant is a?
- the product is an?
A
- isomerization.
- ribulose 5-phosphate.
- ribose 5-phosphate.
- ketose.
- aldose.
5
Q
in NONOXIDATIVE STAGE:
SECOND STEP:
- rectant?
- product/s [they are sugar phosphates]?
the sugar phosphates are?
A
- ribose 5-phosphate.
- glyceraldehyde 3-phosphate & fructose 6-phosphate.
glycolysis intermediates.
6
Q
- the major function of PPP is the synthesis of?
- that is needed for ____ & ____.
PPP is an alternative pathway.
A
- COENZYMES OF NADPH.
- LIPID BIOSYNTHESIS & sythesis of RIBOSE 5-PHOSPHATE.
7
Q
a PENTOSE derivative for the synthesis of nucleic acid & many type of coenzymes.
A
ribose 5-phosphate.