Hosted by Mrs Wiest Ahh Ummm HUH DOH

Hosted by Mrs. Wiest

Ahh? Ummm? HUH? DOH! 100 100 200 200 300 300 400 400 500 500

Amino acids The monomer of proteins Row 1, Col 1

polymer Many monomers 1, 2

H+ The symbol for the hydrogen ion 1, 3

negative An atom that has accepted one or more electrons has this charge 1, 4

acid More hydrogen ions 2, 1

Protons, neutrons and electrons An atom consists of these three kinds of particles 2, 2

substrate An enzyme attaches to a/an _____ and lowers the activation energy so a reaction can occur 2, 3

base More hydroxide ions. Less hydrogen ions 2, 4

atom The simplest particle of an element that retains all of the properties of the element 3, 1

protons The positively charged particles found in the nucleus of the atom. 3, 2

reactants These are changed in a chemical reaction 3, 3

oxygen, carbon, nitrogen, and hydrogen The four elements that constitute most of the mass of all living things 3, 4

ionic bond A positive ion is attracted to a negative ion to form this 4, 1

exothermic A chemical reaction that involves a net release of energy 4, 2

Catalysts/ enzymes These reduce the amount of activation energy needed 4, 3

solvent The substance in which the solute is dissolved 4, 4

Reversible or equilibrium These reactions are indicated by a two direction arrow. 5, 1

solution A mixture in which one or more substances are uniformly distributed in another. 5, 2

Covalent bonds Formed when two or more atoms share one or more pairs of electrons 5, 3

endothermic Reactions that involve a net absorption of free energy 5, 4