Worksheet+11 - Bio 93 Worksheet 11 Lecture 22 Pooja Patel...

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Bio 93 Pooja Patel Worksheet 11 – Lecture 22 patelph@uci.edu Lecture 22: Regulation of Gene Expression Characteristics of Genetic Code o ____ codons coding for ____ amino acids o ___________________: Ever codon codes for only one protein o No ___________________: There are no spaces or extra nucleotides between codons o Always starts with an _____ codon o Always sends with a _____ codon Summary of Protein Synthesis in a Eukaryotic Cell 1. RNA is transcribed from ________________________. 2. RNA transcript (“pre-mRNA”) is spliced and modified to produce mRNA, which moves from nucleus to cytoplasm. 3. After leaving nucleus, mRNA attaches to ___________________. 4. Each amino acid attaches to its proper ______ with the help of a specific enzyme and ATP. 5. tRNAs add their amino acids to the polypeptide chain as the mRNA is moved through the ribosome one codon at a time. When completed, the polypeptide is released from ribosome. Mutations
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This note was uploaded on 12/13/2011 for the course BIOSCI 93 taught by Professor Staff during the Fall '11 term at UC Irvine.

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Worksheet+11 - Bio 93 Worksheet 11 Lecture 22 Pooja Patel...

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