B2 revision 0.0 / 5 ? Biologycells, active transport, organisms etcGCSENone Created by: GeilaCreated on: 14-06-21 21:28 what is the definition of cell? the smallest unit of an organism 1 of 16 what is the definition of tissue? a group of cells with a similar structure 2 of 16 what is the definition of organs? made up from a group of different tissues 3 of 16 what is the definition of an organ system? made from a group of different organs 4 of 16 what is the definition of an organism? an individual plant, animal or single celled organism 5 of 16 how do we test for starch and how does it react if it's positive or negative? iodine solution. present- black and blue not present- yellowish brown 6 of 16 how do we test for lipids (fats) and how does it react if it's positive or negative? sudan III. present-red layer on top not present- clear 7 of 16 how do we test for glucose (sugars) and how does it react if it's positive or negative? benedicts solution. present- red a little present- green/yellow orange not present- blue 8 of 16 how do we test for protein and how does it react if it's positive or negative? biuret solution a and b. present- pink/purple not present- blue 9 of 16 what is cancer? a condition where cells in a specific part of the body grow and reproduce uncontrollably 10 of 16 what is the function of blood plasma? to fight disease and transport cells 11 of 16 what is an enzyme? an enzyme is a substance which breaks down molecules 12 of 16 When a substrate and enzyme bind together via collisions what is it called? enzyme-substrate complex 13 of 16 What energy is used in enzyme-substrate complex binding? binding energy 14 of 16 what is translocation? the movement of sugars produced during photosynthesis around the plant 15 of 16 2 functions of the phloem sieve to 16 of 16
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