Biology Ch. 2 The Chemistry of Life

the study of matter and the changes it experiences

the building blocks of matter

in a solution, the substance that does the dissolving is called the

an ion is

which is true about enzymes

a substance that decreases the activity of an enzyme

which type of fat contains single bonds

the physical stuff that makes up everything in the universe is known as

which is not an example of a physical change

an atom is classified its number of

what is NOT an example of a carbohydrate

which is the most significant element for living things

the outermost electrons in an atom

a pure substance made of only one kind of atom

the positively charged particle in an atom

in which type of reaction do the products have less energy than the reactants

a substance that produces hydroxide ions in solution

nucleotides hook together to form both

Which of the following is NOT part of a nucleotide

which of the following is NOT a smaller part of an atom

which is NOT an example of a chemical change

a compound held together by opposite electrical charges is a

organic compounds all contain the element

a substance that produces hydrogen ions in solution

lipids include

the attraction of one water molecule for another is known as

covalent compounds form when electrons are

the main purpose of carbohydrates for living things

temperature is a measurement of

the negatively charged particle in an atom