DNA Structure and Shape
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11 terms
Terms | Definitions |
|---|---|
 nucleotides | subunits of nucleic acid formed from a simple sugar, a phosphate group, and a nitrogenous base |
| adenine with thymine and guanine with cytosine | base pairing in a dna molecule |
| adenine with uracil and guanine with cytosine | base pairing in an rna molecule |
| purine | a nitrogenous base that has a double-ring structure |
| pyrimidine | a nitrogenous base that has a single-ring structure |
| uprights/backbone | deoxyribose and phosphate group makes up what part of a dna molecule |
| rungs | the four nitrogenous bases and hydrogen bonds makes up what part of a dna molecule |
| adenine and guanine | examples of purines |
| thymine, cytosine, and uracil | examples of pyrimidines |
| three | the number of hydrogen bonds between cytosine and guanine |
| two | the number of hydrogen bonds between thymine and adenine |
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