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19 Cards in this Set
- Front
- Back
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Purine
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Bases that have two rings of carbon and nitrogen atoms.
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Pyrimidine
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Bases that have one ring of carbon and nitrogen bases.
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Complementary base pair
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The rules that the DNA nucleotides normally pair with.
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Nitrogen Containing base
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A DNA nucleotide containing nitrogen, a sugar molecule, and a phosphate group.
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Deoxyribose
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A phosphate group
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Three parts of a DNA nucleotide
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Sugar molecule, Phosphate group, and a nitrogen base.
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Four nitrogen bases
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Adenine
Guanine Cytosine Thymine |
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What are base pairing rules describing?
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The pairing behavior of the bases.
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Replication
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Copying DNA in a cell
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Replication fork
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The point at which the two chains separate.
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Helicases
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The enzyme that separates the chain.
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DNA polymerases
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Enzyme that binds to separate the chain
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Mutation
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Change in the nucleotide sequence at even one location
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Uracil
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Nitrogen containing pyrimidine base.
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Messenger RNA
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Carries genetic information from the DNA in the nucleus to the cytosol of a eukaryotic cell.
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Transfer RNA
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Single chain of about 80 RNA nucleotides folded into a hairpin shape that binds to specific amino acids.
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Ribosomal RNA
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Consists of RNA nucleotides in a globular form.
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Transcription
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The process by which genetic information is copied from DNA to RNA.
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Termination signal
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Specific sequence of nucleotides that marks the end of a gene in eukaryotes.
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