作者：Henry Coyle 6 年以前
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Movement, Hormones, immune system
Skin, hair, muscle, Hormones
There are 20 ameno acids in living things.
There are four layers of protiens
Transmit and store hereditary data
Dna and RNA
Dna has double chains whereas Rna has a single chain.
Insulates the body, Stores energy
Fats, oils, waxes, steroids
Phospholipids are found in the membranes of cells.
Saturated fats have single bonds whereas Unsturated fats have two.
Structure, Energy storage Quick energy
Sugars, Starches, cellulose, Glycogen
Cellulose are found in a cells wall. It is known as a fiber.
Animals use glycogen whereas Plants use starch.
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