What is the relationship between biomolecules and cells?

Cells are made up of chemically reactive biomolecules, themselves built up from elements and atoms, which are the material substance of the universe. Living things have been highly selective in the combinations of the elements of which they are made.

Explanation:

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answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.