Zadanie 2d
Explain why triglycerides are suitable energy stores.
- Materiał graficzny
Fat reserves and insulation
Relate triglyceride properties to long-term energy storage and reduced heat loss in different habitats.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Zadania sprawdzające tę umiejętność: 6 Otwórz w wyszukiwarce z filtrami
Zadanie 5
(a) Outline the structure and properties of triglycerides. (b) Explain how energy moves through a photosynthetic ecosystem.
Zadanie 6
(a) Outline how lipids serve as energy reserves in humans. (b) Describe how an oxygen concentration gradient is maintained between alveoli and blood. (c) Explain why sunlight supports the energy supply of a photosynthetic ecosystem.
Zadanie 8
A constructed dataset estimates energy stored in different tissues. Which conclusion is supported? Tissue | Carbohydrate energy / kJ | Lipid energy / kJ | Protein energy / kJ Liver | 1450 | 2400 | 2100 Skeletal muscle | 7600 | 12800 | 65000 Adipose tissue |…
Zadanie 20
A diet provides very little fat over an extended period. Suggest one possible resulting problem.
Zadanie 8
What makes triglycerides efficient long-term energy stores compared with carbohydrates? A. Triglycerides yield more energy per gram on complete oxidation B. Triglycerides contain no chemical bonds C. Carbohydrates cannot be respired in animals D. Every…