What is a chemical?

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I need to figure out this question 'What two chemicals combine to form a lipid?' but I don't exactly know what a chemical is.

2006-09-10 10:22:22 · 2 answers · asked by chen-chen 3 in Science & Mathematics ➔ Biology

Lipid is fat, which is made of one or more fatty acid tails (long hydrocarbon chains) and a polar head (ie glycerol)

2006-09-10 12:30:33 · answer #1 · answered by echinate 3 · 0⤊ 0⤋

Everything you see is made up from combinations of, or pure Chemicals. Lipids are fatty particles in your blood.

2006-09-10 10:32:37 · answer #2 · answered by Anonymous · 0⤊ 0⤋