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18 Cards in this Set
- Front
- Back
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What are the three particles that make up an atom |
Protons Neutrons Electrons |
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What atom has a negative charge |
electrons |
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what atom has a neutral charge |
neutrons |
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An atom with a neutral charge has the same amount of |
protons and electrons |
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Which particles are found in the nucleus of an atom |
Protons and Neutrons |
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Which particles are fond outside of the atom |
electrons |
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An atom that gains one electron has a charge of |
-1 |
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An atom that loses two electrons has a charge of |
+2 |
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A substance with PH<7 is called a |
Acid |
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A substance with pH>7 is called a |
Base |
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A substance with pH=7 is a |
Buffer |
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What is the process that changes one set of chemicals into a different set of chemicals |
Chemical Reaction |
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What speeds up reactions in living things |
Enzymes |
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How do enzymes speed up reactions |
By lowering the activation energy needed |
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What factors affect how well an enzyme works |
temperature pH level enzymes Inhibitor molecules |
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What 2 macromolecules are large forms of energy that cells can use |
Carbohydrates and Lipids |
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What macromolecule makes enzymes |
Protein |
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What 2 macromolecules are used as directions and building blocks to create the physical structure of the body |
Nucleic Acid Protein |
