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Question
Differentiate Secretary and invasive tapetum.
Distinguish Between
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Solution
- Secretory tapetum (parietal/glandular/ cellular): The tapetum retains the original position and cellular integrity and nourishes the developing microspores.
- Invasive tapetum (periplasmodial): The cells lose their inner tangential and radial walls and the protoplast of all tapetal cells coalesces to form a periplasmodium.
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Pre-fertilization in Plant: Structure and Events
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