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PCS Liv Env

Chapter 2 Vocabulary

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)
Created by: Ms.Sala



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