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Chapter 2: Chemical Bases for Life-1

Across
Positively charged ions.
The number of protons found in the nucleus of an atom.
The oxidation of organic material to yield energy, carbon dioxide, and water.
A negatively charged atom or molecule; a negatively charged ion.
The basic building blocks of peptides and proteins.
Substances that dissolve in water to yield hydrogen ions and produce a solution with a pH less than 7.
A high-energy molecule produced in the mitochondria of cells.
Substances that dissolve in water to yield hydroxyl ions and give the solution a pH greater than 7.
The smallest unit of an element.
The abbreviation of the name of a chemical element.
One of the essential nutrients necessary for all life functions; sugars.
A symbolic representation of a chemical reaction.
Emulsions; heterogeneous mixtures that contain much larger sized solutes than those found in solutions.
Down
Any of 116 known substances that cannot be separated into smaller substances.
A substance made up of two or more elements.
Substance that induces chemical reactions by lowering the activation needed.
"Discharged" form of adenosine triphosphate.
A process that results in the creation of new chemicals, involving changes in the movement of electrons in forming and breaking chemical bonds.
The minimum energy required for a chemical reaction to occur.
Threadlike accumulations of DNA in the nuclei of cells that are particularly visible during mitosis.