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organic

molecules that contain carbon

inorganic

molecules that do not contain carbon

nutrients

elements or compounds that organisms need for living, growing and reproducing.

macronutrients

large scale of nutrients

micronutrients

small scale of nutrients

carbohydrates

A type of organic molecule that contains C, H, O. E.g. Glucose, starch, glycogen

lipids

A type of organic compound composed of C, H, O that forms fats, lipids, waxes.

Proteins

A type of organic molecule that is made up of amino acids that contain C, H, O & N. The function includes: growth & repair, source of energy.

Nucleic Acids

Largest and most complicated molecules found in living things. Made up of phosphates, ribose (simple sugar) and nitrogen. Function: heredity & controls cell activities.

Diffusion

The movement of molecules from an area of higher concentration to one of lower concentration.

Osmosis

A type of diffusion. The movement of water through the walls from an area of high concentration of water to a low concentration of water.

active transport

Using energy to move molecules of nutrients in the direction opposite of diffusion.

Passive transport

Does not use energy to move molecules.

Ingestion

The process of taking food into our bodies.

Hydrolysis

The breakdown (lysis) of large organic molecules using water (hydro)

Substrate

The material on which an organism moves or lives.

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