Biology, asked by Vishal101100, 10 months ago

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Answered by uddeshya161

Explanation: MMC (megaspore mother cell) is surrounded by a callose wall, ovules generally differentiate single MMC in the micropylar region of MMC. It is a large cell containing desne cytoplasm and a prominent nucleus.

Answered by rk4846336

Explanation:

Microspore mother cell is the diploid cell that produces pollen grains by meiosis. At the stage of initiation of meiosis, callose (plant polysaccharides) deposits on the cell wall and plasma membrane of mother cells. It mainly surrounds the sporocyte cells and provides isolation barrier sealing off one pollen mother cell from another.

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$<marquee>$
$\huge\pink{\underline{GOOD-MORNING}}$

$\huge{\fbox{\fbox{\yellow{\mathcal{Hello\:World}}}}}$

$<body bgcolor=blue><marquee direction="alternate"><font color=yellow>$
Solve the attachment.....