organic and inorganic compounds

nutrients

essential molecules obtained from food. necessary for physiological function

metabolites

molecules made or broken down in the body

inorganic compounds

molecules not based on carbon and hydrogen.

co2, o, h2o, inorganic acids, bases, salts

organic compounds

molecules based on carbon and hydrogen.

carbohydrates, proteins, lipids

universal solvent

water- many substances can be dissolved in it.

solution

consists of a solvent and solutes

solute

the dissolved substance

specific properties of water

high heat capacity, lubrication

heat capacity

the heat required to raise the temp of a unit mass of a substance 1ºC

ionization

dissociation into ions

electrolyte

inorganic ions that conduct electricity in solution

hydrophilic

water loving

inc. ions and polar molecules

hydrophobic

water fearing

ex. nonpolar molecules, fats, and oils

colloid

a solution containing dispersed proteins or other large molecules

ex. blood plasma

suspension

solution which contains large particles that settle out