I think your answer is C but i’m not sure
All proteins are composed of amino acids. Each amino acid in a protein is linked by chemical bonds. Enzymes are composed of chains of amino acids. Enzymes are a type proteins that turn a cell into a highly developed miniature factory carrying out chemical reactions very fast.
True and true and true and true
The cell membrane is the oter boundary of a cell that encloses its contents
The option that u have selected is perfectly right.
