RAH

Question 1

a mixture with the components evenly distributed throughout the solution

Answer 1

solution

Question 2

substance that is dissolved in a solution

Answer 2

solute

Question 3

the substance in which the solute is dissolved

Answer 3

solvent

Question 4

indicates the concentration of H+ ions in a solution

Answer 4

pH scale

Question 5

a solution with a pH of less than 7
any compound that releases H+ ions when in a solution

Answer 5

acid

Question 6

a solution with a pH of more than 7
any compound that releases OH- ions when in a solution

Answer 6

base

Question 7

small chemical unit that makes polymer

Answer 7

monomer

Question 8

molecules composed of many monomers; makes up a macromolecule

Answer 8

polymer

Question 9

compound made up of carbon, hydrogen, & oxygen atoms; type of nutrient that is the major source of energy for the body

Answer 9

carbohydrates

Question 10

includes fat, oils, and waxes; macromolecule made mostly from carbon and hydrogen atoms

Answer 10

lipids

Question 11

sub-unit of which nucleus acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base

Answer 11

nucleotides

Question 12

macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus

Answer 12

nucleus acids

Question 13

macromolecules that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair

Answer 13

proteins

Question 14

compounds with an amino group on one end and a carboxyl group on the other end

Answer 14

amino acids

Question 15

energy that is needed to get a reaction started

Answer 15

activation energy

Question 16

substance that speeds up the rate of a chemical reaction

Answer 16

catalyst

Question 17

protein catalyst that speeds up the rate of specific biological reactions

Answer 17

enzymes

Question 18

reactant of an enzyme-catalyzed reaction

Answer 18

substrates