Human breast milk is produced and secreted by gland cells. These gland cells have adaptations that include many mitochondria and many Golgi vesicles. Explain the role of these cell adaptations in the production and secretion of breast milk.
- (Many mitochondria) release energy / ATP for movement of vesicles / synthesis of protein / active transport; 2. (Many Golgi) vesicles transport protein / glycoprotein / milk to cell membrane / out of cell;
Related Biology A Level answers
All answers ▸The surface run-off of nitrate from agricultural fertiliser into freshwater ponds and lakes can cause the death of the fish. Explain how this happens.
Question relating to human adaptations to cold environments: In a cold environment, humans use shivering as a method of keeping warm. Describe and explain the process of shivering.
Explain the processes that lead to the contraction of a single muscle
Outline the process of phagocytosis by macrophages.