Test: Biochemistry

There are at least four types of glucose transporter in the body. GLUT1 and GLUT3 are located in most tissues including the brain and the red blood cells. These glucose transporters rapidly take up glucose from the blood but have the lowest  value. GLUT2 is commonly found in the liver and the pancreas. GLUT2 has a lower affinity for glucose but has the highest  value. GLUT4 is common in skeletal tissues and in adipose tissues. This transporter is normally not active for uptake unless stimulated by insulin or during exercise.  

1.

Suppose there is a molecule that is able to lower the  of the enzyme. What type of regulation would this molecule exhibit? 

Noncompetitive inhibition

Uncompetitive stimulation 

Cooperative stimulation

Cooperative inhibition 

Competitive inhibition 

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