Biology (nutrition)
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44 preguntas
| 🇬🇧 | 🇬🇧 |
| What does benidict solution help investigate ? | Reducing sugar |
| What colour does it change if there is reducing sugar? | Brick red or green or yellow |
| Is benidict solution an irritant? | Yes, wear goggles |
| What is needed to test for starch? | Iodine solution |
| What colour is iodine solution? | Orange/brown |
| Is iodine solution an irritant? | Yes, wear goggles |
| What amount of water do you add it to? | Around 3cm^3 |
| What you must do to the newest solution? (lipids) | Put your thumb ontop and tip it down and then back up |
| What does the solution look like if fat is present? | The liquid will be cloudy |
| What solution do we use for investigating protien? | Biuret solution |
| What must we do to the solution? (protien) | Shake carefully |
| What colour is biuret solution? | Light blue |
| What colour will the solution will change? (protien) | Light blue to purple |
| What does balanced diet mean? | Having the right amount of each food group so that the person is in good health |
| What does malnutrition mean? | When the body doesnt have a balance diet and this leads to health problems |
| Food examples of Carbohydrates? (starch) | Rice, pasta, bread and potatoes. |
| Function of carbohydrates? (starch) | They are broken to give a slow energy release |
| Food examples of carbohydrates? (sugar) | Sweets, fizzy drinks, cakes, biscuits |
| Function of carbohydrates? (suagrs) | To give energy fast |
| Building blocks of protein? | Amino acids |
| Food examples of protein? | Meet, cheese, fish, nuts, beans |
| Functions of protein? | Building and repairing tissue growth and healing, a lack can lead to stunt growth |
| Building blocks for fats? | Fatty acids and Glucelol |
| Example foods of fats? | Fried food, cheese, pork butter |
| Examples of foods for vitamin c? | Lemons and oranges |
| Functions of fat? | Broken down to release lots of energy |
| Functions of vitamin c? | Helps healing and healthy skin. A lack can lead to scurvy where gums bleed and wounds do not heal |
| Examples of foods for vitamin D? | Your skin makes it when is it exposed to sunlight |
| Functions of vitamin d? | Needed to make strong bones, a lack can lead to rickets where ones are soft and leg bones aren't straight. |
| Example foods for iron? (minerals) | Liver and spinach |
| Functions of iron ? | Needed to make hemoglobin in red blood cells to carry oxygen, a lack can read to tiredness |
| Examples foods for calcium? (minerals) | Milk, bread and cheese |
| Functions of calcuim? | Needed to make hard bones, a lack can lead to brittle bones, astiporosis. |
| Example foods for fibre? | Any fruits and vegetables |
| Functions of fibre? | Needed for peristalsis (moving food through intestines), a lack can lead to constipation or colon caner. |