Term
| Bartel and Szostak demonstrated that RNA can catalyze what type of reaction that results in the joining of two RNA molecules together? |
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Definition
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Term
| How are the structures of RNA and DNA similar? |
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Definition
| Their sugar-phosphate backbones are formed by phosphodiester linkages between the phosphate group of one nucleotide and the hydroxyl group on the sugar of the adjacent nucleotide. |
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Term
| Which statement correctly describes one aspect of the precise bonding between components of a nucleotide? |
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Definition
| Nitrogen in the nitrogenous base bonds to the 1' carbon of sugar. |
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Term
| Which of these findings was determined by Watson and Crick as they explored the nature of the double helix structure of DNA? |
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Definition
| The two DNA strands are antiparallel |
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Term
| In which of the following ways does DNA differ from RNA? |
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Definition
| DNA contains deoxyribose sugar, whereas RNA contains ribose. |
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Term
| Nucleotides are joined by a _______ to form the DNA and RNA polymers that function in the cell. |
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Definition
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Term
| Complementary base pairing explained Chargaff's findings, the fact that the number of cytosines in a DNA sample equals the number of guanines, and the number of thymines equals the number of adenines. Complementary base pairing is the formation of hydrogen bonds between antiparallel strands of the DNA molecule. Which statement regarding complementary base pairing is correct? |
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Definition
| In DNA, the purine base adenine (A) always pairs with the pyrimidine base thymine (T). |
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