B2B Aqa aditional gcse biology unit 2 b 2.0 / 5 based on 6 ratings ? BiologyGCSEAll boards Created by: mellowCreated on: 18-05-11 18:03 Why dosen't an enzyme wok at an extreme PH The enzyme has been killed 1 of 11 What does optimum temperature for a enzyme mean? The temperature in witch an enzyme works best 2 of 11 Can enzymes be killed? yes they are living things 3 of 11 protease is used to .... catalyse the braekdown of protein into amino acids in the stomac and small intestine 4 of 11 on average how long does it take for food to pass through the 7-m long digestive system? 48h 5 of 11 in cells witch of these things can enzymes catalyse the reaction of? resperation,protein sythesis, photosythesis 6 of 11 At temperatures beloe their optimum enzymes double the rate o f reaction every... 1oC 7 of 11 What enzyme catalyses the braeke down of hydrogen peroxide? (a dangerous by product of metablysm insome plants and animal cells) catalase 8 of 11 What is the chemicle equations for the chemical reaction in question 9 ? hydrogen peroxide ----catalase---> water+oxygen 9 of 11 in the digestive system, glands secrete digestive enzymes onto food to... split large insoluble molecules into smaller ones that can be absorbed into the bloodstream 10 of 11 Enzymes are biological catalysts, this meens that they... speed up rate of reaction 11 of 11
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