Answer;
The above statement is true
Norepinephrine and epinephrine receptors are separated into the categories of alpha and beta.
Explanation;
-The adrenergic receptors are a class of G protein-coupled receptors that are targets of many catecholamines like norepinephrine and epinephrine produced by the body.The types adrenergic receptors are alpha, beta 1 and beta 2.
-Epinephrine and norepinephrine are released by the adrenal medulla and nervous system respectively. They are the flight/fight hormones that are released when the body is under extreme stress. During stress, much of the body's energy is used to combat imminent danger.
Answer:
Farming is not readily available due to dense vegetation.
Explanation:
The correct answer is C. You cannot view live specimens because the necessary preparation kills cells.
The answer is pretty self-explanatory. Unlike it, regular microscopes can view living creatures such as bacteria or similar.