10 Questions
Which hexokinase(s) are allosterically inhibited by the product G6P?
Hexokinase I, II, and III
Which hexokinase is not allosterically inhibited by the product G6P?
Glucokinase
What is the function of allosteric inhibition of hexokinases by G6P?
To promote liver accumulation of glucose stores
Which hexokinase is an inducible enzyme?
Glucokinase
What effect does insulin have on the amount of glucokinase?
Insulin increases the amount of glucokinase
What is the role of glucokinase in the liver?
To promote liver accumulation of glucose stores
What is the main difference between the allosteric regulation of hexokinases and glucokinase?
Hexokinases are allosterically inhibited by G6P, while glucokinase is not.
What is the purpose of promoting transcription of the glucokinase gene by insulin?
To increase glucose storage in the liver
What is the significance of the allosteric regulation of hexokinases and glucokinase?
It ensures glucose is only used when needed
What is the effect of insulin on the activity of glucokinase?
Insulin has no effect on the activity of glucokinase
Test your knowledge on glucokinase and hexokinases with this informative quiz! Learn about the differences between these enzymes, their roles in glucose metabolism, and how they are regulated. Discover how insulin affects glucokinase and why hexokinases are allosterically inhibited by the product of their reaction. This quiz is perfect for biology students or anyone interested in understanding the intricacies of glucose metabolism.
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