Building blocks of DNA and RNA

Sum total of all proceses in an organism that use enegy and simple chemical building blocks to produce large chemicals and structures necessary for life

Number of protons in an atom

Amount of heat energy required to increase the temperature

Organisms that eat only plants

Basic building blocks of proteins, each containing a carboxyl group and an amino group

Sum total of all processes in an organism that break down chemicals to produce energy and simple chemical building blocks

Collections of atoms that have the same number of protons

Attractive force that holds molecules of different substances together

Organisms that eat only organisms other than plants

Simple sugars: building blocks of more complex carbohydrates

Process in which the normal shape of a protein is lost, usually due to heat

Sum of protons and neutrons in an atom

Attractive force that holds molecules of the same substance together

Organisms that eat both plants and other organisms

Two differet molocules that have the same chemical formula

A chemical reaction in which molecules combine by removing water

Chemical bond formed by the sharing of electrons between two or more atoms

Solution in which water is the solvent

Organism that are able to make their own food

Also known as fats, these complex molecules are formed when three fatty acides link to glycerol

Energy needed to get reactions started

Positively or negatively charged atoms resulting from the transfer of electrons

Lacking any affinity to water; water fearing

Organisms that depend on other organisms for food