Thursday March 6, 2014 HW: Study for Mid-term exam on Monday BW:

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Presentation transcript:

Thursday March 6, 2014 HW: Study for Mid-term exam on Monday BW: DNA strand TAC CCG TAT GTA GCT Transcribe to…… mRNA (codon) Translate to…… tRNA (anti-codon) Use your codon wheel to determine which amino acid the mRNA codes for……

DNA strand TAC CCG TAT GTA GCT Transcribe to…… mRNA (codon) AUG GGC AUA CAU CGA Translate to…… tRNA (anti-codon) Use your codon wheel to determine which amino acid the mRNA codes for……

DNA strand TAC CCG TAT GTA GCT Transcribe to…… mRNA (codon) AUG GGC AUA CAU CGA Translate to…… tRNA (anti-codon) UAC CCG UAU GUA GCU Use your codon wheel to determine which amino acid the mRNA codes for……

DNA strand TAC CCG TAT GTA GCT Transcribe to…… mRNA (codon) AUG GGC AUA CAU CGA Translate to…… tRNA (anti-codon) UAC CCG UAU GUA GCU Use your codon wheel to determine which amino acid the mRNA codes for…… methionine, glycine, isoleucine, histidine, arginine

Important! --------------------------------------------------- Proteins = folded amino acid chains

the job of a protein is determined by the order of its amino acids

Nuclear membrane nucleus Ribosome mRNA DNA tRNA cytoplasm

Free floating nucleotides in nucleus Nuclear membrane Free floating nucleotides in nucleus

A triplet of mRNA bases

nucleus cytoplasm

The discarded tRNA picks upa new amino acid that comes either from your diet or that was built in your body…thus the tRNAs are recycled!