Proteins & Nucleic Acids

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Presentation transcript:

Proteins & Nucleic Acids

Stated Clearly https://www.youtube.com/watch?v=zwibgNGe4aY

Review: Protein Organisms are a collection of traits!

Review: DNA Every cell of every organism has genetic information Entire set of DNA for an individual organism

Review: Macromolecules Large organic carbon compounds Carbohydrates (Photosynthesis & Respiration) Lipids (Cell Membrane) Proteins Nucleic Acids

Nucleic Acid Structure Monomer: Nucleotide 5-Carbon Sugar Phosphate Group Nitrogen Base Polymer: DNA or RNA strands

Nucleic Acid Function Biological Functions: Storage of heritable information Helps make protein

Protein Structure Monomer: Amino Acid Polymer: Protein Carboxylic Acid (C & O) Amine Groups (N & H) Polymer: Protein

Protein Function Biological Functions: Build & repair tissues

Process: Gene Expression Molecular process of converting DNA genes into a trait

Gene Expression Detailed Process

Gene Expression Basic Process Stage 1: Transcription Gene (section of DNA) is converted into mRNA code Stage 2: Translation mRNA, tRNA, rRNA link amino acids based on code Stage 3: Folding Polypeptide chain is folded into a specific protein shape

Translation Animations http://www.stolaf.edu/people/giannini/flashanimat/ molgenetics/translation.swf http://highered.mcgraw- hill.com/olc/dl/120077/micro06.swf http://www.youtube.com/watch?v=41_Ne5mS2ls