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18 Cards in this Set
- Front
- Back
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atom
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smallest stable unit of matter
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buffer
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stabalizes PH
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carbohydrate
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organic molecule that contains O,H,C ina ratio of 1;2;1
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covalent bond
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molecules held together by sharing electrons with other atoms.
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decomposition reaction
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breaks a molecule into smaller fragments
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electrolytes
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inorganic compound whose ions can conduct an electrical current in a solution.
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electron
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an atom particle with a negative charge.
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element
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all atoms with the same atomic number,
cannot be broken down into symple substances |
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enzyme
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used to speed up reactions that support life
makes atoms changes use less energy for change catalyst |
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ion
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atoms or molecule with an electrical charge
cations are +, anions are - |
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isotopes
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forms of an element whose atoms contain the same # of protons but different # of neutrons.
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lipid
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fats, oils and waxes/ steroids and terpens
also structural component of a cell, energy and reserves. |
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metabolism
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refers to all chemical reactions in the body
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molecule
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2 or more elements bonded together
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neutron
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atom particle with a neutral charge
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nucleic acid
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large organic molecules, stores and process info at the molecular level inside the cell.
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protein
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large polypeptide with a complex structure,20% total body weight.
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proton
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atom particle with a positive charge
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