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Enzymes
13/12/2022
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what is an enzyme ? L, proteins that act as biological catalysts. What do they do? ↳ accelerate chemical reactions : ENZYMES 3 Give some examples Amylase: the soliva helps change storche! maltase: breaks the sugor maltose into gluecose. Trypsin break proteins down into amino acids in the 4 what is collision theory? Collision theory states that for a chemical reaction to occur, reaching porticles must collide with one another. The rate of the reaction depends on the frequency of collision, the theory also tell us that reacting partides often collide without reacting enzymes ENZYME + SUBSTRATE U enzyme is the 'lock' has a very specific shaped active site or help speed up metabolism protein mole cules are very specific about which reactions they catalyze. enzyme look and key theory ENZYME SUB STRATE COMPLEX + T substrate the key into is sugors. small intestine ENZYME PRODUCTS 8109 r the enzyme is unchanged and ready to be set again. enzyme - substrate complex forms, as they are complementary. (Gt perfectly) DENATURED: in extreme pl or temperatures outside on enzymes optímum, active site changes shape and enzyme no longer works. BIOCHEMICAL REACTIONS all controlled by enzymes intracellular (inside cells ie. cytrophorm, or inside mitocondrio) extracellular Lout side cells eg digestion) ↳ ↳ Active site changes shope slightly as enzyme-substrate complex forms, for ideal bonding and maximising reaction. ENZYMES coun be... ↳ k All enzymes are globular in shape and very specific active site. They are soluble in water due to the presence of mony hydrophilic side groups on their constituent omino adds. most enzymes are very longe molecules but only a small part of...
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Alternative transcript:
them is involved in catalysis. This is called the active site and it may consist of just a few amino acids. The remainder of the amino acids maintain the precise shape of the enzyme and the active site. Biological catalysts ● anabolic (build molecules eg. build musde or create antibodies) carabolic ( break down molecules) ● FACTORS AFFECTING ENZYME RATE OF REA K. . temperature rate of caction PH enzyme concentration increase enzymes, increase n' of active sites avaible. rate is linear so long as enough. substrate avaible enzyme rate of reaction :• enzymes lower the activation energy required for the reaction it catalyses they increase the rate of reaction. concentration substrate concentration substrate concentration N: optimum rate 37 c reaction livets off, because all enzymes. active sites ore substrate concentration of competitive and non-competitive inhibitors.