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Chapter 2 Vocabulary

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Acids   substance with a pH that is lower than 7 (pH of 1 is stronger than pH of 6)  
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Amino Acids   small units connected together to form proteins; building blocks of proteins  
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Atoms   smallest unit of matter  
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Base   substance with a pH that is greater than 7 (pH of 14 is stronger than pH of 8)  
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Cabrohydrates   compounds made of carbon, hydrogen or oxygen and used for energy in cell  
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Catalyst   an enzyme is an example of this  
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Chemical Bonds   atoms are connected together by these which store energy  
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Compound   the result of different atoms connected together  
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Element   pure substance which consists of 1 type of atom  
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Enzyme   special protein molecules that aid in chemical reactions  
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Inorganic   do not contain both C (carbon) and H (hydrogen)  
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Lipids   fats, oils, waxes  
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Nucleic Acids   DNA and RNA  
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Organic   molecules which contain both C (carbon) and H (hydrogen)  
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