Lysosomes are polymorphic in nature.justify the statement
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Answer:
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Polymorphic refers to many forms of a particular trait/entity/genetic variant. Lysosomes can exist in a cell in more than one form. Hence they are known as polymorphic cellular organelles.
They typically exist as:
i) Primary lysosomes - newly formed lysosomal vesicles from the Golgi. They contain ‘hydrolytic enzymes’.
ii) Secondary lysosomes or heterophagosomes - formed by fusion of primary lysosomes with phagosomes or pinosomes. They contain active enzymes for specific substrate digestion.
iii) Tertiary lysosomes or residual bodies - incompletely digested materials are found within the large, irregularly shaped residual bodies.
iv) Lysosomes or autophagic vacuoles or autophaghagosomes - when primary lysosomes form around dead intracellular organelles and digest them.
Answer:
on the basis of morphology , their content and functions lysosomes are divided into four forms
1.primary lysosome ...... produced from golgi apparatus and contain inactive enzymes
2. secondary lysosome.... it is formed when phagosome fused with primary lysosome and it contain active enzymes.
3. residual bodies....these are secondary lysosome containing undigested substances.
4.autophagic vacuoles....formed by union of many primary lysosome around old organelles which sorround them with vacuolar membrane and digest them by autolysis or autodigestion .These are also called suicidal bags.
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