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Chapter 3 Vocabulary

Across
A substance made up of atoms of two or more different elements.
Any compound that increases the number of hydronium ions when dissolved in water.
The force that holds molecules of a single material together.
On an enzyme the site that attaches to a substrate.
Compound of a class of simple organic compounds that contain a carboxyl.
A substance that can't be broken down into simpler substances.
An electron that is found in the outermost shell of an atom.
Deoxyribonucleic acid contains information that determines inherited characteristics.
A class of molecules that includes sugars , starches,& fiber.
A substance that forms in a chemical reaction.
A value that is used to express the acidity or basicity of a system.
A homogenous mixture throughout which two or more substances are dispersed.
Capacity to do work.
A fat molecule including waxes & steroids.
Down
Any compound that increases the number of hydroxide ions when dissolved in water.
A group of atoms that are held together by chemical forces.
Consists of sugar, a phosphate, & a nitrogenous base.
The smallest unit of an element that maintains the chemical properties of that element.
A solution made from a weak acid & its conjugate base that neutralizes small amounts of acids or bases.
Organic compound made up of one or two chains of nucleotides & carry genetic information.
Minimum amount of energy required to start a chemical reaction.
Substance that participates in a chemical reaction.
The reactant in reaction catalyzed by enzymes.
A molecule that acts as a catalyst in biochemical reactions.
Ribonucleic acid, natural polymer that is in all living things.
The attractive force between two bodies of different substances that are in contact.
Organic compound that is made of one or more chains of amino acids.
Adenosine triphosphate, molecule that acts as the main energy source.
An atom, radical, or molecule that has gained or lost one or more electrons & has a positive or negatice charge.