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31 Cards in this Set
- Front
- Back
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Acidic |
A solution containing more H+ ions than OH- ions. Also contains a pH of less than 7 |
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Activation Energy |
Energy needed to get a chemical reaction started |
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Atoms |
The smallest unit of an element |
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Basic |
A solution that contains more OH- ions than H+ ions. Also has a pH greater than 7 |
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Carbohydrates |
A substance found in food containing a hydrogen to oxygen ration of 2:1 and can typically be broken down to release energy for animals |
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Chemical Bonds |
The attraction, sharing, or transfer of outer shell electrons from one atom to another |
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Chemical reactions |
The making or breaking of chemical bonds |
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Compound |
A substance formed when two or more chemical elements are chemically bonded together. Common ones are covalent bonds and ionic bonds |
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Disaccharide |
A double sugar (carbohydrates) |
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DNA |
The identification of life, makes everyone unique |
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Elements |
Substances that cannot be broken down into other substances |
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Genes |
A unit in heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring |
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Hydrogen bonds |
An attraction between a slightly positive hydrogen atom and another atom of a different molecule |
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Hydrophobic |
A substance that will not absorb, react, or bond with water |
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Inorganic |
Something that doesn't occur naturally |
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Ion |
An atom or molecule with a positive or negative charge due to the loss or gain of one or more electrons |
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Ionic bond |
The attraction between two oppositely charged atoms |
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Law of Conservation of Matter |
Matter cannot be created or destroyed |
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Lipids |
Fats or oils |
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Macromolecules |
Large and complex molecules |
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Molecules |
Groups of atoms bonded together. The smallest fundemental unit if chemical compound that can take part in chemical reactions |
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Nucleic acids |
Macromolecules that dictate the amino-acid sequence of proteins, which in turn controls the basic life process. Also the source of genetic information in chromosomes |
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Nucleotides |
The parts that make up nucleic acid |
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Organic |
Made from cells or occurring naturally |
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pH |
The measure of how many H+ ions there are in a substance relative to the OH- ions |
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Polysaccharides |
Uber complex carbohydrates |
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Primary Structure |
The sequence of amino acids in a polypeptide chain |
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Proteins |
Structural compunds of cells, messengers, receptors, defense, and most importantly acts as an enzyme for many reactions in cells |
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Quaternary Structure |
A complex structure formed when multiple tertiary structures combine |
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Radioisotopes |
An isotope with unstable atomic nuclei that break down , releasing radioactive energy |
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RNA |
Single helix strand that is used to help copy DNA |
