biology 0.0 / 5 ? BiologyEnzymes and digestionGCSENone Created by: 14barkerbCreated on: 22-04-16 10:00 state what is meant by a nutrient Nutrient are important substances that your body needs to survive and stay healthy 1 of 18 state the function of carbohydrates they are your main source of energy they can be found in quick burst of energy or long term energy 2 of 18 state two functions of proteins They repair body tissues and make new cells 3 of 18 list four ways in which you lose water from the body sweat, tears ,urine and exhaling 4 of 18 state the colour change in iodine if a food contain starch The color change if they is starch is present it will go dark blue-black 5 of 18 state how you would test a solid piece of food for lipids rub some of the food onto a piece of filter paper 2 hold the paper up to the light if the paper has gone translucent the food contains lipids 6 of 18 state the colour change in benedict's solution if a food contains sugar the solution turns orange-red the food contain sugar 7 of 18 state the color change in a solution of copper sulfate and sodium hydroxide if a food contains proteins the solution turns purple the food contain protein 8 of 18 state the unit that energy in food is measured in joules (J) or kilojoules (KJ) 9 of 18 state three problems caused by being underwight poor immune system lack of energy likely to suffer from lack of vitamins or mintrals 10 of 18 name the condition caused by a vitamin A deficency it can lead to night blidness 11 of 18 state three diseases that obese people are more likely to suffer from heat disease stroke diabetes ans some cancers 12 of 18 state what happen during digestion food is digested and the nutcase is exposed in to the blued stream 13 of 18 name the structure that food passes along to reach the stomach it pass down the gullet 14 of 18 describe how food move along the gut it move along the gut by mussel that squish-it like a toothpaste 15 of 18 state why bacteria are important in your digestive bacteria is important as it make vitamin and brake down fiber 16 of 18 state the role of enzymes in digestion biological catalyts 17 of 18 sate the funstion of bile to make it easy for the lipase to beak down the lipids 18 of 18
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