Answer: they are specific in action
Explanation: The similarity between cell receptors and antibodies is that both are specific in action. They bind to their specific targets.
These targets can be determined by the shape of the receptor or the antibody. shape of a protein has a profound effect on its functions
Answer:
D.Most bilaterians have tissues but some do not.
Explanation:
my professor said it would be nonsense codon. hope it helps!
