Term
What is the deltaG for PFK? What is the deltaG' for PFK? |
|
Definition
|
|
Term
What is the deltaG for Hexokinase? What is the deltaG' for Hexokinase? |
|
Definition
|
|
Term
What is the deltaG for PK? What is the deltaG' for PK? |
|
Definition
|
|
Term
What are points of regulation? |
|
Definition
Points with the most negative free energy. |
|
|
Term
What three enzymes function with large negative deltaG's? |
|
Definition
Hexokinase, Phosphfructokinase, and Pyruvate kinase |
|
|
Term
What is an inhibitor of Hexokinase? What is an activator of Hexokinase? |
|
Definition
|
|
Term
What is an inhibitor of PFK? What is an activator of PFK? |
|
Definition
ATP, citrate, and PEP All of them. |
|
|
Term
What is an inhibitor of Pyruvate kinase? What is an activator of Pyruvate kinase? |
|
Definition
|
|
Term
|
Definition
By the hydrolysis of lactose |
|
|
Term
|
Definition
the digestion of polysaccharides and glycoproteins. |
|
|
Term
|
Definition
|
|
Term
What does the Phosphopentose pathway produce? |
|
Definition
NADPH and ribose-5-phosphate |
|
|
Term
What are the three parts of the Phosphopentose pathway? |
|
Definition
Oxidation, isomeriaztion and epimeriation, and a series of C-C bond cleavage and formations. |
|
|
Term
What is the produce of phosphogluconate dehydrogenase? |
|
Definition
|
|
Term
What does trasketolase do? |
|
Definition
It transfers C2 units requiring enzymes like pyruvate dehydrogenase. |
|
|
Term
What does Transaldolase do? |
|
Definition
It transfers C3 units via Schiff's base with an active lysine group. |
|
|
Term
What controls NADPH production and this the flux through the pathway? |
|
Definition
glucose-6-phosphate dehydrogenase (G6PD) |
|
|
Term
What is NADPH needed for? |
|
Definition
|
|
Term
What is glutathione required for? |
|
Definition
Erythrocyte integrity, prevents NADPH levels from dropping, and something about hemolytic anemia |
|
|
Term
|
Definition
The conversion of lactate, pyruvate, glycerol, and amino acids to glucose. |
|
|
Term
What is the starting material for gluconeogenisis? |
|
Definition
|
|
Term
Where do most precursors for Gluconeogeneis enter? |
|
Definition
|
|
Term
What three steps are different in gluconeogensis vs glycolysis? |
|
Definition
Pyruvate to PEP, fructose-1,6- bisphosphate to fructose-6-phosphate, and glucose-6-phosphate to glucose. |
|
|
Term
What does the malate pathway transport and where does it transport them to? |
|
Definition
It transfers reducing equivalents from the mitochondria into the cytosol. And NADH is needed for gluconeogensis. |
|
|
Term
Low blood glucose leads to gluconeogensis by which steps? |
|
Definition
Increased glucagen secretion, increased cAMP, increased enzyme phosphorylation, the activation of FDPase-2 and inactivation of PFK-2, decreased F2+6P, and the inhibition of PFK and activation of FBPase |
|
|
Term
|
Definition
Acts both catabolically and anabolically |
|
|
Term
What is the Citric Acid (in all its glory). |
|
Definition
3NAD+ + FAD + GDP + Pi + acetyl-CoA + 2H20 YIELDS 3NADH + FADH2 + GTP + CoA + 2CO2 + 3H+ |
|
|
Term
What is the Pathway overview of Glucose Catabolism? |
|
Definition
Glucose + 2NAD+ + 2ADP + 2Pi -> 2NADH+ + 2Pyruvate + 2ATP + 2H2O + 4H+ |
|
|
Term
What is the rate limiting step in Glycolysis? |
|
Definition
|
|