Pv=nRT
where,p=199, R(constant)=8.314, V=4.67 T=30C=293K
n=pv/RT=0.38 moles
the best answers its A. Maxwell I just took the the test
hope this help :)
Answer:
The answer is B
Explanation:
B is your answer hopes this helps you
Channel proteins
Channel proteins are macromolecules that are embedded in plasma membranes of cells. Their function is to provide a pathway for molecules into and out of the cell, as the remaining parts of the membrane are impermeable. An example of such protein channels are those that are present to facilitate the diffusion of glucose.