b) Determine whether each of the following phrases describes glucokinase, hexoki

Question

b) Determine whether each of the following phrases describes glucokinase, hexokinase, or both     glucokinase and hexokinase.

Glucokinase                                                      Hexokinase                                                                  Both

The choices are:

Not sensitive to inhibition by glucose-6-phosphate

enables the liver to buffer the blood glucose concentration

Is  half saturated at a concentration greater than the normal circulating blood glucose concentration

present in tissues that are less dependent on glucose for energy

prevent cells from extensively phosphorylating glucose when blood glucose concentration is less than 2.5mM

is half saturated at much lower concentrations (0.1mM) than is its isozyme

ensures that glucose generated by gluconeogenesis is not used for glycolysis in the same organ

phosphorylates hexose

Please help! Thankyou!

Explanation / Answer

1) Hexokinase

2) Glukokinase

3) Hexokinase

4) Hexokinase

5)Both hexokinase and glukokinase

6) Hexokinase

7) Both hexokinase and glukokinase

8) Both hexokinase and glukokinase

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