define the following and what are their functions: (a) food vacuole (b) contractile vacuole (c) sap vacuole
Answers
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Sap vacuole (store and concentrate mineral salts as well as nutrients) Contractile vacuole (take part in osmoregulation and excretion) Food vacuole (contain digestive enzymes with the help of which nutrients are digested) Air vacuole (help in buoyancy of cells)
Answer:
1) food vacuole:-. The food vacuole functions are as follow:
Food vacuoles contain an enzyme called hydrolyzing enzyme which helps in the digestion of food.
The cell membrane forms a curve to allow the passage of food particles, when the food is captured completely inside the membrane it pushes into the cell
2) contractile vacuole :- The contractile vacuoles are the structures which are present in the cells of the lower organisms. The vacuole plays an important role in excretion and osmoregulation. The wastes like the ammonia can be excreted through the vacuoles. The water and the other salts are also removed through this vacuoles in order to maintain the osmotic balance.
3) sap vacuole:- They function as a generalized storage space, storing everything from salts to proteins to waste