Answer: Nonpolar lipid layers
Explanation:
It is because of the different neurotransmitters and their receptors.
Sympathetic stimulation of arterioles in skeletal muscle is mediated by epinephrine acting on its β-adrenergic receptors.
Sympathetic stimulation of vasoconstriction occurs as a result of activation of α-1 adrenergic receptors by norepinephrine released by post-ganglionic sympathetic neurons.
B is correct, Organisms in the same group have similar characteristics
D is the answer (Aa and aa ) i hope this helps
The best way to help earth’s water supply last for future generations is to make <span>factories recycle water.</span>
