DNA to Protein II
About this set
Created by:
grant208 on January 30, 2010
Subjects:
cell biology, molecular biology
Description:
Akkaraju Slide Set 3. Some terms from this slide set are included in DNA to Protein I
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11 terms
Terms | Definitions |
|---|---|
 Nucleolus | rRNA transcription and ribosome assembly occurs here |
| Translation | Using the information in the nucleotide code to make a protein; two levels of checking-1. while charging the tRNA by synthetase and 2. by decoding the mRNA sequence. |
| Start Codon | AUG; codes for a methionine |
| Stop Codons | UAA, UAG, UGA |
| tRNA | 20 different tRNAs- 1 for each amino acid; brings the amino acids to build the protein, folds into an L shape due to internal complementarity to yield an end that is the anticodon and and end that contains the amino group |
| Charged tRNA | RNA carrying an amino acid |
| Amino-acyl tRNA synthetase | 20 different types of this enzyme- one for each amino acid, uses ATP to add an amino acid onto the tRNA; also proofreads as it works- checks the amino acid along with the tRNA |
| Wobble position | the 3rd position in the anti-codon codon interaction, less important and binds very weakly |
| Reading Frame | reads 3 nucleotides at one time-codon, to bring in the appropriate amino acid |
| Non-sense mutation | completely destroys the message |
| Missense mutation | changes the sequence of the message |
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