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Enzymes
01/05/2023
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ENZYMES without enzymes, all the chemical estacions baking place inside cells would run dead slowly - so your body wouldn't function properly. Bat enzymes won't work if they don't have the right conditions. ENZYMES are PROTEINS produced by LIVING THINGS 1) Living things have thousands of eliggerent chemical reaching going on inside them all the time 2) These reactions need to be carefully controlled- to get In the right amounts of substances. 3 So... living things Produce frymes: ENZYMES are proteins that SPEED UP CHEMICAL REACTIONS 4) The instructions for making enzymes and other proteins are found in a cell's genes.co ENZYMES are very SPECIFIC 1) Chemical reactions usually involve things either being plit apart or comment together. 2) A substrate is a molecule that is changed in a reaction. 3 Enzymes are really Picky- they usually only speed up One reaction. This is because, for an enzyme to work, a Swostrate has to be the correct shape to fit into the active sile 4) Every enzupere molecule has an active sale the part where a substrate coins on to the enzyme. 6) This is called the `lock and key model, because the Substrate gits into the enzyme just like a key gits into a 100. active enzyme 277 subsitate products enzyme unchanged after reaction ENZYMES need the (IGHT TEMPERATURE and el Enzymes need to be at a specigle.comchuu kom...
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Alternative transcript:
frLLLLÉ to work at their (when they're wo). 1) Changing the temperate changes the case of an enzyme- Controlled reaction. A higher temperature increases the rate at first. 3) But, is it gets too hot, some of the hords holding the enzyme together break. This changes the shape of the enzyme's active are and so the substraite will no longer sit and the enzyme won't work any more. It's said > to be devatliced 4) All enzymes also have an optim pl that they work best at. 5) Is the pH is too high or too low, it interferes with the bonds holding the enzyme together. This changes the shape of the active site and denatures the enzyme. ור מ ממרhw LM M₁ PH is ameasure ey how acidic or alkaline a solution is INEXISININ optimum temperature & Optimum pH 45% Temperaturele sun PH IF ONLY ENZYMES COULD SPEED UP REVISION. Just like you've got to have the correct, ney for a lock, enzymes have got to have the right substrate Is a substrate doen't fit, the enzyme wan't spead up the reaction...