Science Quiz / Carbohydrate Metabolism

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Can you name the Carbohydrate Metabolism Terms?

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

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