Which example involves a cell membrane receiving and sending messages A. A large fish chasing its prey in the sea
B. A protein forming a channel for an ion
C. A water molecule moving inside a cell
D. A tubeworm retreating from a predator

a tube worm retreating from a predator (a.p.e.x.)

Explanation:

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.

because of