Question

8.what are called receptors.
O 1) Cones
O2) Rods
O 3) Both 1 & 2
O4) None of these​

Answer 1

Receptors Definition

Receptors are proteins, usually cell surface receptors, which bind to ligands and cause responses in the immune system, including cytokine receptors, growth factor receptors and Fc receptor. ... Receptors can induce cell growth, division and death; control membrane channels or regulate cell binding.