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36 Cards in this Set
- Front
- Back
Type IIIS |
Living, virulent, sickly strain |
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Type IIR |
Living, nonvirulent |
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His experiment led to the discovery that there was some sort of transforming principle that can be passed from dead bacteria to living to change their characteristics |
Griffith |
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Discovered that DNA was the transforming principle |
Avery |
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Has two OH groups on its pentose sugar |
RNA |
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2 ringed structure |
Purines |
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1 ring carbon structure |
Pyrimidines |
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The purines |
Adenine and Guanine |
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The pyrimidines |
Cytosine, Uracil, and Thymine |
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The covalent bond in DNA or RNA that links the 3' carbon of the sugar of one nucleotide to the 5' phosphate group of the adjacent nucleotide |
Phosphodiester bond |
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Removes the RNA primer and replaces it with DNA |
DNA polymerase I |
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Prevents supercoiling |
DNA gyrase |
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Separates the two DNA strands |
DNA helicase |
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Bind to single strands of DNA and prevent re-annealing from occurring |
SSB proteins |
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Bind to the OriC sequence |
Initiator proteins |
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An RNA polymerase that synthesizes a short RNA primer to initiate DNA replication |
Primase |
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Has 5' to 3' exonuclease function |
DNA polymerase I |
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Main DNA synthesizer, elongation |
DNA polymerase II |
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Used for splicing, removes introns |
snRNA |
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Non-template DNA polarity |
5' to 3' |
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Template DNA polarity |
3' to 5' |
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mRNA strand polarity |
5' to 3' |
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Where transcription begins |
+1 region |
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Part of the DNA where the RNA separates the strands of the DNA and begins synthesis of RNA |
-35 and -10 region |
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A sequence of nucleotides at the 5' end of the mRNA that does not encode any of the amino acids of a protein |
5' UTR (leader) |
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Sequence of nucleotides at the 3' end of the mRNA not translated into protein |
3' UTR (trailer) |
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An extra nucleotide at the 5' end of the mRNA and methyl groups on the base in the newly added nucleotide and on the 2'-OH group of the sugar of one or more nucleotides at the 5' end |
5' cap |
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String of adenine nucleotides added to the 3' end of a eukaryotic mRNA after transcription |
poly(A) tail |
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Sequence in bacterial DNA that requires the presence of the rho subunit of RNA polymerase to terminate transcription |
Rho-dependent terminator |
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Sequence in bacterial DNA that does not require the presence of the rho subunit of RNA polymerase to terminate transcription |
Rho-independent terminator |
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Subunit of bacterial RNA polymerase that allows the RNA polymerase to recognize a promoter and initiate transcription |
Sigma factor |
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Promoter region for eukaryotic RNA polymerase II promoters, determines the starting point for transcription |
TATA box |
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Polypeptide chain found in several different transcription factors that recognizes and binds sequences in eukaryotic promoters |
TATA-binding protein |
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Synthesizes mRNA |
RNA polymerase II |
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Required for high level expression and tissue specific expression |
Enhancers |
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Synthesizes the poly A tail |
Poly A polymerase |