Presentation on theme: "The process of making proteins"— Presentation transcript:
1The process of making proteins Protein SynthesisThe process of making proteinsWithout proteins life as we know itwould not exist!!!The first 3 steps are referred to astranscription.
26 Steps of Protein Synthesis (The process of making a protein) 1. In the nucleus an enzyme, DNA Helicase, unzips a section of the DNA double helix.2. In the nucleus the enzyme RNA polymerase transcribes the DNA into complementary basesG - CDNA = A - U mRNAT - AC - G3. mRNA takes it’s list of complementary bases and leaves the nucleus, going into the cytoplasm.
3The steps 4-6 are referred to as Translation.(going from the language of nitrogen bases to the language of amino acids)
4U-A mRNA = C-G = tRNA A-U G-C 4. mRNA goes to a ribosome and is translated by tRNA . The tRNA brings the correct amino acid to the ribosome.U-AmRNA = C-G = tRNAA-UG-C5. Complementary tRNA gives the amino acid it was carrying to the ribosome. The ribosome attaches it to the growing polypeptide chain.6. Only after the polypeptide chain folds, does it become a fully functional protein.