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PCS Liv Env
Chapter 2 Vocabulary
Term | Definition |
---|---|
Acids | substance with a pH that is lower than 7 (pH of 1 is stronger than pH of 6) |
Amino Acids | small units connected together to form proteins; building blocks of proteins |
Atoms | smallest unit of matter |
Base | substance with a pH that is greater than 7 (pH of 14 is stronger than pH of 8) |
Cabrohydrates | compounds made of carbon, hydrogen or oxygen and used for energy in cell |
Catalyst | an enzyme is an example of this |
Chemical Bonds | atoms are connected together by these which store energy |
Compound | the result of different atoms connected together |
Element | pure substance which consists of 1 type of atom |
Enzyme | special protein molecules that aid in chemical reactions |
Inorganic | do not contain both C (carbon) and H (hydrogen) |
Lipids | fats, oils, waxes |
Nucleic Acids | DNA and RNA |
Organic | molecules which contain both C (carbon) and H (hydrogen) |