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10 Cards in this Set
- Front
- Back
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Base pairing rules |
describe how nucleotides form bonds in DNA where adenine always pairs with thymine and cytosine always pairs with guanine.
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Nucleotide
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a monomer for a nucleic acid that contains a phosphate group, a 5 carbon sugar, and a nitrogenous base.
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Chromosome
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a structure formed from compacted DNA tightly wound around histone proteins before a cell divides and visible under a microscope.
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Nitrogenous Base
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a basic compound containing nitrogen and includes A, T, C, G, and U. It is part of a nucleotide subunit.
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Histones
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sticky proteins that DNA winds around to become compacted into chromosomes. |
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Watson and Crick
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discoverers of the DNA structure as a double helix. |
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Rosalind Franklin
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used x-ray crystallography to photograph DNA structure and provided other scientists the information they needed to build the structure. |
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Nitrogenous Base
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the variable portion of a nucleotide that includes adenine, cytosine, guanine, thymine, and uracil. |
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Phosphate and sugar |
forms the backbone of DNA and RNA molecules, the sides of the ladder. |
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Double helix
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the twisted ladder shape of a DNA molecule consisting of two strands. |
