I believe the correct answer would be C. Sartorius i believe this is the answer, after doing some research on gO0gLe.
Answer:
A-T
Explanation:
purine adenine (A) always pairs with the pyrimidine thymine (T)
pyrimidine cytosine (C) always pairs with the purine guanine (G)
Answer:
they are Na+, K+ and Ca2+ ion channels.
Explanation:
Ionotropic acetylcholine receptors are also called nicotinic acetylcholine receptors because beside acetylcholine (Ch) they respond to nicotine. These receptors are primary receptors in muscle for motor nerve-muscle communication that controls muscle contraction.
Two molecules of ACh are required for receptor to open. Since the receptors are linked to ion channels, the channels open. Opening of the channel allows positively charged ions to move across it: sodium enters the cell and potassium exits.
in the earth's atmosphere is made up about approximately 78 percent nitrogen and 21 percent oxygen.
I would say A. Quantitative data involves numbers and stuff like that. Unlike qualitative data, which involves pictures and not numerical data. I hope this helped.
