Science Quiz / Carbohydrate Metabolism

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Can you name the Carbohydrate Metabolism Terms?

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QuestionAnswer
 
What enzyme breaks fructose-1,6-bisphosphate into two three carbon ringed molecules?
Glucose transporter found on muscle and fat cells?
Glucose transporters present in most cell types.
1,3-bisphosphoglycerate is converted by phosphoglycerate into....
Hexokinase is allosterically inhibited by...
The cycle of the muscle using glucose from the liver then returning that lactate to the liver to make more glucose?
What is the consequence of G6P not inhibiting glucokinase during times of high blood sugar?
Normal range of blood glucose. (including units)
What enzyme transfers the phosphate from phosphoenolpyruvate to ADP?
What molecules is fructose-1,6-bisphosphate broken down into?
What enzyme converts fructose-6-phosphate to fructose-1,6-bisphosphate in glycolysis? (Uses ATP)
Pyruvate is converted to lactate by what enzyme?
Purely ketogenic amino acids
Which two enzymes require ATP in the early stages of glycolysis in muscle cells?
When PFK-2 is phosphorylated it acts as a _______________.
What is the first committed step of glycolysis?
Fructose-1,6-Bisphosphatase is expressed predominantly where?
A biproduct of the conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate is...
3-Phosphoglycerate is converted to what?
Enzyme that converts fructose-1,6-bisphosphate to fructose-6-phosphate in gluconeogenesis?
GLUT-4 expression highly regulated by?
QuestionAnswer
What is the approximate Km of the basal glucose transporters?
What enzyme converts glucose-6-phosphate into fructose-6-phosphate?
Approximate Km of GLUT-4?
What activity of PFK-2 converts fructose-6-phosphate into fructose-2,6-bisphosphate?
What enzyme adds and inorganic phosphate to glyceraldehyde-3-phosphate to form 1,3-bisphosphoglycerate?
Transfer of phosphate from phosphoenolpyruvate to ADP also yields what?
Release of epinephrine from the adrenal gland causes what type of metabolic activity?
Glucokinase levels are reduced in the presence of?
Conversion of pyruvate under anaerobic conditions requires _____________ and yields _____________.
During which state is glucokinase highly active?
Kidney glucokinase is important for....
What enzyme converts dihydroxyacetone phosphate into glyceraldehyde-3-phosphate?
The conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate requires what two molecules?
Which tissues utilized glucokinase?
Release of insulin from pancreatic beta cells causes what type of metabolic activity?
High insulin stimulates this enzyme which has this effect on pyruvate kinase.
This molecule inhibits hexokinase but not glucokinase.
2-Phosphoglycerate is converted to what?
Glucose greater than ______________ leads to glycosuria.
Under what conditions is pyruvate converted to lactate?
Phosphorylated PFK-2 converts ____________________ to ______________________ thereby changing the metabolic process from ___________________ to __________________.
In glycolysis glucose is broken down into two ______________________ yielding _________ and _________
QuestionAnswer
What is fructose-6-phosphate converted to in glycolysis?
Glucokinase in the pancreas plays a role in maintaining...
Enzyme that transfers phosphate from 1,3-bisphosphoglycerate to ADP to form ATP and 3-phosphoglycerate.
What property of hexokinase allows it to phosphorylate glucose even during fasting?
Fructose-2,6-phosphatase is converted to phosphofructokinase by this enzyme.
Inhibitor of fructose-1,6-bisphosphatase?
Brain uses what percentage of glucose at rest?
Hypoglycemia below _________________ can lead to loss of consciousness of death (hypoglycemia).
What enzyme converts 2-phosphoglycerate to phosphoenolpyruvate?
Fructose-2,6-bisphosphate activates __________________ and inhibits ______________.
Glucokinase levels are increased in the presence of?
Release of glucagon from pancreatic alpha cells causes what metabolic activity?
What enzyme converts 3-phosphoglycerate to 2-phosphoglycerate?
Kidney and pancreatic beta cells use which glucose transporter?
Under what conditions does pyruvate enter TCA cycle?
Rate at which the brain uses glucose
High glucagon stimulates this enzyme which has this effect on pyruvate kinase
Glycolysis takes place in the _______________.
What is the approximate Km range of GLUT-2 transporters?
Which two enzymes participate in phosphorylation of glucose into glucose-6-phosphate?
The phosphate is transfered from _________________ to ADP to form ATP and pyruvate?

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