Explain the process of nutrition in Amoeba in brief.......... just do it........ don't spam...... :)))
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Ingestion
Ingestion is the process of taking in the food into the body either by swallowing or absorbing it. Amoeba takes in its food through this process. Initially, when the amoeba sense some food nearby they move toward it, pushes out its pseudopodia and encircle the food. After it engulfs the food, forms a bag-like structure called food vacuole and this process is known as “phagocytosis”.
Digestion
Digestion is the process of breaking the insoluble and large food molecules into soluble and minute molecules. In amoeba, the food vacuoles are transported deeper into the cell and with the help of the digestive enzymes, the large insoluble foodstuffs are consequently broken down to the simple soluble molecules.
Absorption
In this process of absorption, the nutrients from the digested food material are absorbed into the cell’s cytoplasm by leaving behind the undigested food material through the wall of the food vacuole. This process is named diffusion. The excess food is stored in the in the form of glycogen and lipids.
Assimilation
Assimilation is the process of obtaining energy from the absorbed food molecules. In amoeba, the absorbed food is utilized for energy production for its growth, repair as well as for multiplication.
Egestion
Egestion is the process of removing the undigested food material from the food vacuole of the cell. In amoeba, these process is carried on by rupturing the cell membrane to remove the undigested food material from its body.
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