Biology- Maintaining a Balance

1. Most organisms ar progressive in a special(a) temperature turn tail Identify the role of enzymes in metabolism, describe their chemic set of music and use a peculiar(prenominal) sit overmatch to describe their specificity on subst tells Molecules: Consist of atoms Enzymes: Break the molecule bonds, however need vitality to do so ACTIVATION vitality (required to start chemical reaction) 1. The role of enzymes in metabolism 1. metabolism refers to altogether the chemical reactions occurring in organisms 2. Enzymes are biological catalysts for all processes going on inner cells. 3. They are able to be used over and over again 4. They increase the rate of chemical reactions at lower temps and pass the activation vigour needed for metabolic reactions to occur 2. Chemical write up of enzymes 5. enzymes are made up of proteins 6. i.e. long chains of amino group Acids 7. Whe n enzymes denature the cross linkage bonds are broken, protein loses its universal check and becomes inactive 8. The substratum is the molecules which the enzyme acts upon 3. enzyme specificity on substratums 9. The Chemical on which an enzyme acts is called a substrate 10. The active site of the enzyme fits the substrate handle a lock and happen upon 11.

They are highly specific in their actions; this means that each enzyme acts on one substrate only 4. Models to explain specificity: 12. The Lock and key model states that the substrate fits exactly into the active site of the enzyme like a ke! y fits a lock. Assumes the enzyme has a rigid and unchanging shape substrate Bonds In Substrate argon Weakened PRODUCTS restless web site ENZYME ENZYME-SUBSTRATE ENZYME Substrate Bonds In Substrate Are Weakened PRODUCTS Active Site ENZYME ENZYME-SUBSTRATE ENZYME 1. The induced fit model states that the binding of the substrate to the enzyme induces a temporary change in the shape of the enzyme. The bracing shape of the enzyme better...If you want to get a full essay, enounce it on our website: BestEssayCheap.com

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