Biology 6: DNA Structure
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Created by:
smistry Plus on November 27, 2011
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11 terms
Terms | Definitions |
|---|---|
 deoxyribonucleic acid |  (DNA) nucleic acid that contains the sugar deoxyribose |
| nucleotide |  monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base |
| ribonucleic acid |  (RNA) single-stranded nucleic acid that contains the sugar ribose |
| adenine | nitrogen base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA |
| thymine | Nitrogen base that pairs Adenine in DNA |
| cytosine | Nitrogen base that pairs with guanine. |
| guanine | Nitrogen base that pairs with cytosine. |
| uracil | Nitrogen base that pairs with adenine in RNA. |
| complementary base |  a base on one DNA strand that always binds to the same pairing-partner base on the opposite strand |
| base pairing | principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine |
| double helix |  shape of a DNA molecule formed when two twisted DNA strands are coiled into a springlike structure and held together by hydrogen bonds between the bases |
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