Answer Posted / rohit yadav
Protoplasm of cells absorb only food in the soluble forms which is suitable for translocation through the whole body of plant and ultimated assimilation of his food materials by protoplasm of cell..
This process of digestion takes place inside the cells, it is known as intracellular digestion. In carnivorous plants and in parasites the digestion is extra cellular. Protoplasm secretes some of the enzymes which help in conversion of insoluble food-staffs into simpler soluble forms. Enzymes are soluble in water and are protein in nature. These are at first formed as minute granules known as zymogen. This zymogen is then converted into active enzyme e.g. pepsin form pepsinogen and trypsim from trypsinogen. At 70oC Properties of these enzymes are lost.
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