Chapter 2

Created by jwmaurer 

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Carbohydrate

an essential structural component of living cells and source of energy for animals (sugar)

Monosaccharide

a simple sugar

Lipid

Fat, nonpolar molecule, macromolecule

Protein

Macromolecule made of amino acids

Amino acid

Building blocks of proteins

Nucleic Acid

an organic compound, either RNA or DNA, whose molecules are made up of one or two chains of nucleotides and carry genetic information, macromolecule

Nucleotide

in a nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base

DNA

deoxyribonucleic acid, the material that contains the information that determines inherited characteristics, macromolecule, 2 strands

RNA

ribonucleic acid, macromolecule, 1 strand

ATP

(adenosine triphosphate) main energy source that cells use for most of their work

Energy

the ability to do work or cause change or moves matter

Activation energy

energy needed to get a reaction started

Enzyme

protein that speeds up a chemical reaction

Substrate

The reactant on which an enzyme works.

Active Site

the site on an enzyme that attaches to a substrate

Macromolecule

large molecule formed by joining smaller molecules together

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