Protein Functions

Protein Functions - Protein Functions Example: E. coli...

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Protein Functions Example: E. coli rapidly divides itself to reproduce, but before doing so, must make protein that does cell work and help it function Central dogma – The way genetic information is expressed: o DNA (via transcription) → RNA (via translation) → Protein Protein functions include : o Catalysis – catalyze chemical reactions in and out of the cell (ex. enzymes) o Structure – maintain structural rigidity in the cell (ex. cell membrane proteins) o Transport – moving materials through membrane (ex. hemoglobin) o Regulatory – regulate protein activity and gene function (ex. transcription factors) o Signaling – relay information in and out of the cell (ex. neurotransmitters) o Motor – movement (ex. myosin) Shape of the protein is important: o Different shapes can allow the protein to bind to the specific materials that it needs to, or have the certain flexibility or rigidity it needs to function Protein Structure Proteins – type of biopolymer
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Protein Functions - Protein Functions Example: E. coli...

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