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Biology U2B

Across
The compound formed by the ionic bonding of a cation and anion.
A group of organic compounds including fats, steroids, and phospholipids.
All of the chemical reactions in the organism for maintenance of the processes of life.
A compound which is involved in a chemical reaction and is chemically changed by the reaction.
A large complex organic molecule consisting of a large number of amino acids linked together by peptide bonds.
The building block unit of carbohydrates; a simple sugar.
The number of electrons an element must gain or lose in order to complete its outer electron shell
Two or more substances mixed together but not chemically combined.
Any chemical compound which contains carbon.
A subatomic particle, fundamental to all matter except hydrogen, existing in the nucleus, with about the same mass as a proton, but carries no charge.
That which is produced as a result of a chemical reaction.
A substance which is dissolved in a liquid.
A polymer of glucose units.
Down
The path surrounding the nucleus of an atom in which electrons are normally located.
A polymer of simple sugars
Anything which occupies space and has mass.
A unit of matter composed of two or more atoms held together by chemical bonds.
A liquid which acts to dissolve or suspend solutes for chemical reactions or transport.
A subatomic particle, fundamental to all matter, existing in the nucleus, with a positive charge and about equal mass to a neutron.
A chemical compound not containing carbon.
An inorganic metal or small organic molecule which attaches to the protein portion of the enzyme and plays an important role in activating that enzyme.
A measure of the hydrogen ion concentration in a solution.
A chemical compound in which each molecule is made up of two or more simpler molecules strung together.
A nucleic acid which participates in the synthesis of proteins.
The positively charged center of an atom which contains both the protons and neutrons of the atom.