Question

Why do lipids, like oils or fats, separate from water, which makes them easily identified without a chemical test?

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Answer 1

Answer: Lack charged groups.

Step-by-step explanation:

Since lipids lack charged groups, the water molecules have nothing to stick to and don't mix with them. (Think of trying to pick up a glass marble with a magnet). Lipids can be placed in three major groups: triglycerides (fats & oils), phospholipids (making up cell membranes), and steroids (many hormones).