This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Which is the most abundant Glucose transporter in RBC? 
Select and explain. 
A. GLUT-1, B. GLUT-3, C. GLUT-4, D. GLUT-5
A: GLUT-1
Answer: A: GLUT-1 
Explanation: GLUT-1 is the most abundant Glucose transporter in RBC.