Maharashtra BoardEnglish MediumSTD 11 ScienceBiologyCell Structure and Organization3 Marks
Question
“Lysosomes are polymorphic in nature.” Justify the statement.
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Answer
Lysosomes are classified as, Primary lysosomes; which are nothing but membrane bound vesicles in which enzymes are in inactive state.
Secondary lysosomes or hybrid lysosomes, which are formed by fusion of lysosome with endocytic vesicle containing materials to be digested, represented as heterophagic vesicle. This is larger in size than primary lysosome.
When organic molecules or membrane bound old cell organelle to be recycled fuses with primary lysosome, autophagic vesicles are formed.
Residual body is the vesicle containing undigested remains left over in the heterophagic vesicle after releasing the products of digestion in the cytosol. Hence, lysosomes are polymorphic in nature.
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