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Questions and Answers
Which glucose transporter is primarily found in neurons?
Which glucose transporter is primarily found in neurons?
- GLUT-3 (correct)
- GLUT-4
- GLUT-2
- GLUT-1
In which tissues is GLUT-1 abundant?
In which tissues is GLUT-1 abundant?
- Liver and pancreas
- Erythrocytes and blood brain barrier (correct)
- Neurons and muscle
- Adipose tissue and skeletal muscle
In which tissue is GLUT-4 abundant?
In which tissue is GLUT-4 abundant?
- Erythrocytes and blood brain barrier
- Neurons and muscle
- Adipose tissue and skeletal muscle (correct)
- Liver and pancreas
Which glucose transporter is low in adult muscle?
Which glucose transporter is low in adult muscle?
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What is the effect of insulin on GLUT-4 transporters?
What is the effect of insulin on GLUT-4 transporters?
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Do all glucose transporters have the same distribution in tissues?
Do all glucose transporters have the same distribution in tissues?
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Which glucose transporter is the most abundant in erythrocytes?
Which glucose transporter is the most abundant in erythrocytes?
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Study Notes
Glucose Transporters
- GLUT-3 is primarily found in neurons.
Tissue Distribution
- GLUT-1 is abundant in brain, kidney, and placenta.
- GLUT-4 is abundant in adipose tissue and skeletal muscle.
GLUT-4 Regulation
- Insulin stimulates the translocation of GLUT-4 to the plasma membrane, increasing glucose uptake.
Glucose Transporter Distribution
- GLUT-4 is low in adult muscle.
- Not all glucose transporters have the same distribution in tissues.
- GLUT-1 is the most abundant in erythrocytes.
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