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28 Cards in this Set
- Front
- Back
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nucleotie |
a chain of repeating sub units located in DNA |
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deoxyribosome |
the five carbon sugar in a nucleotide |
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nitrogenous base |
a base containing nitrogen and carbon atoms |
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purine |
Nitrogenous bases that have a double ring of carbon and nitrogen atoms, such as adenine and guanine |
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pyrimidine |
Nitrogenous bases that have a single ring of carbon and and nitrogen atoms, such as thymine |
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base-pairing rules |
the percentage of Adenine is equal to the percentage of thymine and the percentage of cytosine is equal to that of guanine in the DNA of a variety of organisms |
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complementary base pair |
in DNA, cytosine on one strand pairs with guanine on the opposite strand, and adenine pairs with guanine on the opposite strand, and adenine pairs with thymine |
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base sequence |
the order of nitrogenous bases on a chain of DNA |
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DNA replication |
the process by which DNA is copied in a cell |
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helicase |
enzymes that separate DNA |
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replication fork |
the Y-shaped region that results when two strands of DNA separate |
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DNA polymerase |
enzymes that add complementary nucleotides |
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mutation |
a change in the nucleotide sequence of DNA molecule |
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ribonucleic acid (RNA) |
nucleic acid summarizes the flow of genetic information |
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transcription |
DNA becomes a template for RNA |
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tranlation |
RNA directs the assembly of proteins |
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protein synthesis |
forming proteins based on information in DNA and carried out by RNA |
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robosoe |
m |
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messenger RNA (mRNA) |
m |
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robosomal RNA (rRNA) |
m |
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transfer RNA (tRNA) |
m |
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RNA polymerase |
m |
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promoter |
m |
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termination signal |
m |
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genetic code |
m |
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codon |
m |
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anticodon |
m |
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genome |
m |
