<span>Agre tested his hypothesis in a simple experiment where he compared cells which contained the protein in question with cells which did not have it. The trials were ran with artificial cells, liposomes, which are a type of soap bubble. He found that the liposomes became permeable if the protein was planted inside of the membrane.</span>
Answer:
Its helium
Explanation: Because teh effective nuclear charge holds the valence ectrons clos to the nuclues. the Atomic radius would decrease as you move from the led=ft and right of the perodic table
The third answer because there are two of each atom
Answer:
Demisty = mass/volume = 142/ (2×2×4) = 142 / 16 =
8.875g/cm^3
Explanation: