GCSE Biology – Organisation Exam Questions and Answers

GCSE Biology – Organisation Exam Questions and Answers Cells - Answer️️ -The basic building blocks of living things Tissues - Answer️️ -A group of cells with similar structure and function Organs - Answer️️ -Groups of tissues performing particular functions Lock and key - Answer️️ -Theory as to how enzymes work Digestion breaks down - Answer️️ -Large insoluble molecules into smaller soluble ones Active site - Answer️️ -The part of an enzyme the substrate binds to Denatured - Answer️️ -When an active site is altered by temperature or pH Amylase (carbohydrase) - Answer️️ -Breaks down starch into glucose Protease enzymes - Answer️️ -Break down protein into amino acids Lipase - Answer️️ -Break down fats into fatty acids and glycerol Bile is made in - Answer️️ -Liver and stored in the gall bladder Hydrochloric acid - Answer️️ -Released in stomach to create optimum pH for protease The role of bile is to - Answer️️ -Neutralise stomach and acid and emulsify fats Salivary glands - Answer️️ -Releases amylase Stomach - Answer️️ -Releases protease Pancreas and small intestine - Answer️️ -Release amylase, lipase and protease Small intestine - Answer️️ -Where digested food is absorbed Large intestine - Answer️️ -Where water is absorbed Villi - Answer️️ -Increase absorption surface of small intestine Benedicts test - Answer️️ -Tests for glucose (blue to red) Biuret test - Answer️️ -Tests for protein ( blue to purple) Iodine - Answer️️ -Tests for starch ( orange to blue/black) Right ventricle - Answer️️ -Pumps blood to the lungs Left ventricle - Answer️️ -Pumps blood to the body Pulmonary artery - Answer️️ -Carries blood from heart to lungs Pulmonary vein - Answer️️ -Carries oxygenated blood from lungs to heart Aorta - Answer️️ -The main artery that carries blood a