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Chapter 2 Crossword

Across
Macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
Negatively charged particle
Nucleic acid that contains the sugar deoxyribose
Process that changes one set of chemicals into another set of chemicals
Substance that speeds up the process of a chemical reaction
Protein that acts as a biological catalyst
The center of an atom that contains protons and neutrons
Small unit that can join together with other small units to form polymers
Compound that produces OH+ in solution
Atom of an element that has a number of different from that of other atoms in the same element
Down
Compound that forms H+ in solution
Energy needed to start a reaction
Monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
Mixture of 2 or more substances are evenly distributed
Basic unit of matter
Material composed of 2 or more elements or compounds that are physically mixed together but not chemically combined
Measurement system used to indicate concentration of H+ ions in a solution, ranges from 0-14
Large compound formed from combinations of many monomers
Element or compound that enters into a chemical reaction
Substance consisting of entirely one atom