Which of the following are examples of facilitated diffusion? Select all that apply. A. Water diffusing across the cell membrane from an area of high concentration to low concentration.

B. A carrier protein 'that changes shape to allow the transport of molecules across the plasma membrane.

C. A gated channel that allows glucose, a very large molecule, to cross the cell membrane.

D. An ion channel that allows ions to diffuse across the cell membrane.

(C) A gated channel that allows glucose, a very large molecule, to cross the cell membrane, and (D) An ion channel that allows ions to diffuse across the cell membrane, are both examples of facilitated diffusion.

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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.

the answer is 1. photosynthesis. glad to