Additional Science Biology 3.0 / 5 based on 1 rating ? ScienceBiologyGCSEAQA Created by: sophieCreated on: 08-04-13 13:50 What Happens in digestion? In digestion large molecules from food are broken down into smaller more souluable ones. 1 of 16 The broken down molecules from food and then absorbed in what ? Into the blood plasma and lymph and then transported to where the body needs it 2 of 16 An enzyme is a .....? Biological catalstys 3 of 16 Digestion happens in the gut, how does digestion happen ? in the gut enzymes act as catalysts to speed up the reactions of the breakdown of food molecules 4 of 16 Digestive enzymes are produced in specilised cells which are ...? Glands and the lining of the gut 5 of 16 What is different about digestive enzymes compared to other enzymes? The work outside the cells that produce them 6 of 16 Amylase is produced in the ...? Salivary gland ,pancreas and small intestine 7 of 16 Amylase catalsys the chemical reaction that ? breaks down starch into sugars 8 of 16 Protease are found in the ...? Stomach, pancrease and small intestine 9 of 16 Protease catalsys the chemical reaction that ? Breaks down proteins into amino acids 10 of 16 Where is Lipase produced? Pancreas and small intestine 11 of 16 Lipase catalyst the chemical reaction that ? Breaks down lipids into fatty acids and gliserol 12 of 16 Enzymes work best at what pH? 2 13 of 16 What acid is in the stomach and what do it begin to do ? Hydrochloric acid and it begins digestion and to kill micro-organisms 14 of 16 What pH do enzymes work best at ? Low pH values 15 of 16 The products of the 3 enzymes then do what ? They diffuse though the lining of the gut and get into the blood 16 of 16
EDEXCEL GCSE 9-1 COMBINED SCIENCE HIGHER SAMPLE ASSESSMENT MATERIAL PAPER 1 BIOLOGY 1 MARK SCHEME 0.0 / 5
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