An element is also a pure substance. The reason for this is because an element contains only one type of particle.
Option A is correct
Answer:
tus bababshfbxyebdyebf
Explanation:
hrhundhhdbddbxyebdhdbdbdtdhsvdvdvdvdvdvdvd
The greatest issue facing
society that results from the development of new applications of cell
technology is that it can make the arteries narrower especially for patients
with heart diseases. Although cell technology has been revealed as an ideal
cure for heart related diseases.
Answer:
Alpha-1
Explanation:
Adrenergic receptors are the integral proteins present in the postsynaptic plasma membranes. These receptors are activated when the neurotransmitter norepinephrine and the hormones norepinephrine and epinephrine bind to them. The alpha 1 adrenergic receptors are found in the smooth muscle fibers of blood vessels that serve the salivary glands, skin, and kidneys. These receptors are also found in the radial muscle of iris of the eye as well as in the sphincter muscles of the stomach and urinary bladder.
They exert excitatory effect and lead to contraction of smooth muscles of the blood vessels, dilation of pupil, and closure of sphincters of the bladder.
I think it would be Ionic Solution