A base substitution of G:C to A:T after two rounds of replication.
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.
The elderly are a pain in the arce' even 2 family...impacts society.. impacts fam. because of dementia, or other illnesses....they argue, get violent, etc.., loss of memory, may not no who u are..., or no how 2 dress themselves..serious issue........
