IGCSE Biology - Nutrition and Biochemistry Presentation
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This is an animated PowerPoint presentation that covers the Nutrition and Biochemistry part of Section 2.2 Food and Digestion of the Edexcel IGCSE Biology course.
The PowerPoint covers the following questions: In what type of foods do you find carbohydrates, proteins, lipids (fats and oils), vitamins A, C and D, the mineral ions calcium and iron, water and dietary fibre? What are they each used for in the body? What chemical elements are present in carbohydrates, proteins and lipids? Describe the structure of carbohydrates, proteins and lipids as polymers: starch and glycogen from simple sugar; protein from amino acids; lipids from fatty acids and glycerol. What chemical test would you use for glucose and starch? What should be in a balanced diet? How do energy requirements vary with activity levels, age and pregnancy? Can you explain how to carry out a simple experiment to determine the energy content in a food sample?
The PowerPoint is designed to directly address each relevant point in the syllabus. It is simple and straight to the point covering the topic in just the right amount of detail.
Many of the slides have animations in that will only work when viewed in slideshow mode, so please use that when working through the presentation.
The PowerPoint covers the following questions: In what type of foods do you find carbohydrates, proteins, lipids (fats and oils), vitamins A, C and D, the mineral ions calcium and iron, water and dietary fibre? What are they each used for in the body? What chemical elements are present in carbohydrates, proteins and lipids? Describe the structure of carbohydrates, proteins and lipids as polymers: starch and glycogen from simple sugar; protein from amino acids; lipids from fatty acids and glycerol. What chemical test would you use for glucose and starch? What should be in a balanced diet? How do energy requirements vary with activity levels, age and pregnancy? Can you explain how to carry out a simple experiment to determine the energy content in a food sample?
The PowerPoint is designed to directly address each relevant point in the syllabus. It is simple and straight to the point covering the topic in just the right amount of detail.
Many of the slides have animations in that will only work when viewed in slideshow mode, so please use that when working through the presentation.