things like enzymes and hormones - feathers and hair are made of proteins
proteins
starches and sugars - cell wall and glucose are examples
carbohydrates
compound found in every cell
water
element found in all living things (all organic molecules)
carbon
combinations of 2 or more substances that mix but keep thier properties and can be easily
separated
mixture
part of DNA
nucleic acids
type of material movement that requires energy
active transport
type of diffusion where water moves across a cell membrane from high to low concentration
osmosis
substances moving from high to low concentration - like perfume smell moving around a room
diffusion
the chemical combination of two or more substances resulting completely different
materials, cannot be separated to original parts
compound
smallest particle of an element that still keeps the properties
atom
fats, oils and waxes
Lipids
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