作者：julia cory 6 年以前
135
Functions
Examples
The variable group changes the property of the amino acid Some are electrically charged, some aren‘t Some are polar, some are non polar
skin
example: insulin
example: pepsin
Hair
fingernails, claws
Transport
carries substances throughout body
enzymes
help chemical reactions
immune system
protect against germs
movement
muscle
hormones
insulin
store and transmit hereditary information
RNA (ribonucleic acid) DNA (deoxyribonucleic acid)
RNA:Single nucleotide chain
DNA: Double nucleotide chain (spiraled in a double helix)
Energy storage, cushions organs, insulates body
Fats Oils phospholipids Steroids Waxes
long hydrocarbon chain
quick energy, energy storage,structure
Examples: sugars starches cellulose (cell wall) Glycogen
Always in a 1:2:1: ration C6H12O6
