Which of the following shows ligand binding at the cell surface?
A)B
B)C
C)D
D)A

Question

Which of the following shows ligand binding at the cell surface? 
A)B 
B)C 
C)D 
D)A

Quizplus · Accepted Answer

Choice B shows ligand binding at the cell surface with the ligand (represented by the grey object) bound to the receptor (represented by the blue object) on the cell surface. Choice A shows the ligand inside the cell, Choices C and D show intracellular signaling pathways, and Choice E shows the ligand-receptor complex after internalization.

Which of the Following Shows Ligand Binding at the Cell