8 Questions
What is the role of low Km hexokinase in non-hepatic tissues?
To trap blood glucose within their cells
What is the role of high Km glucokinase in the liver?
To buffer blood glucose
What is the first irreversible step of glycolysis?
Conversion of glucose to glucose 6 phosphate
What is the role of PFK-1 in glycolysis?
To catalyze the rate-limiting step of glycolysis
What is the enzyme that catalyzes the conversion of F6P to F-1,6-BP?
PFK-1
How many irreversible steps are there in glycolysis?
3
What is the role of the first ATP utilized in glycolysis?
To convert glucose to glucose 6 phosphate
What is the enzyme that catalyzes the conversion of PEP to pyruvate?
Pyruvate kinase
Take our Hexokinase Quiz and test your knowledge on the crucial enzyme responsible for trapping glucose in cells. Learn about the differences between low Km hexokinase and high Km glucokinase, and how they function in non-hepatic and hepatic tissues respectively. Challenge yourself with questions on the first irreversible step of glycolysis and the important role of Hex in glucose metabolism. Join now and become a Hexokinase expert!
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