Biology questions (5) 0.0 / 5 ? Biologyparts of the blood, enzymes, food testing, aerobic and anaerobic and the pea experiment.GCSENone Created by: ava brook haighCreated on: 21-02-17 14:42 what are the two special features of a white blood cell? they can change shape and they have a nucleus 1 of 13 what are the two special features of a red blood cell? they don't have a nucleus and they fold to fit in capillaries 2 of 13 what do arteries have? a thick muscle layer 3 of 13 what is the special feature of veins? they have valves to stop blood from flowing backwards 4 of 13 what are the two special features of a capillary? there thin so oxygen can pass through and they have a large surface area 5 of 13 what are the 3 things an enzyme has? enzyme, active site and substrate. 6 of 13 what are the 3 chemicals used in a food test? iodine, biuret and benidex. 7 of 13 what can happen if you eat too much salt? you can have a high blood pressure. 8 of 13 what can happen if you eat too much sugar? you can have diabetes. 9 of 13 what can happen if you have too much fat inside of you? you can have a heart disease. 10 of 13 what does the cotton wool represent in the pea experiment? it acts like a lid. 11 of 13 what does the thermos flask do in the pea experiment? it keeps it warm. 12 of 13 what does the disinfectant do in the pea experiment? it stops bacteria. 13 of 13
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