When ligands bind to the receptors on target cells the ligands
A) provide the energy for signal transduction
B) activate a signal transduction cascade
C) change into other compounds
D) lower activation energy

Question

Quizplus · Accepted Answer

Ligands bind to receptors on target cells and activate a signal transduction cascade, which ultimately leads to cellular responses. Ligands themselves do not provide energy for signal transduction or lower activation energy, and they do not change into other compounds upon binding to receptors.

When Ligands Bind to the Receptors on Target Cells the Ligands