Protein Synthesis.

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Presentation transcript:

Protein Synthesis

The process is called Protein Synthesis! DNA → RNA → Protein The process is called Protein Synthesis! Making Protein!!!

“DNA → RNA” Transcription When a section of DNA is copied to RNA RNA Polymerase Happens in the nucleus

“RNA → (amino acids) protein” Translation “RNA → (amino acids) protein” The transfer of the instructions in RNA to a protein made of amino acids. Happens in the cytoplasm and interacts with a ribosome.

Amino acids make protein!!! The Genetic Code There are 20 different amino acids It takes 3 letters (A,U,G,C) to code for each amino acid mRNA is divided into three-base segments called codons. A codon is the segment of nucleotides that codes for an amino acid or for a start or stop signal There are 64 codons. Amino acids make protein!!!

Start and Stop Codons AUG codes for the amino acid methionine. “The start codon” which begins every translation of every amino acid chain. There are three stop codons: UAG, UGA, UAA.