Question

The role of tapetum in the formation of pollen grain wall

Answer 1

Tapetum is the innermost layer of the microsporangium. It provides nourishment to the developing pollen grains. During microsporogenesis, the cells of tapetum produce various enzymes, hormones, amino acids, and other nutritious material required for the development of pollen grains.

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Answer 2

Answer:

ᴛᴀᴘᴇᴛᴜᴍ ɪꜱ ᴛʜᴇ ɪɴᴛᴇʀɴᴀʟ ʟᴀʏᴇʀ ᴏꜰ ᴍɪᴄʀᴏꜱᴘᴏʀᴀɴɢɪᴜᴍ ᴀɴᴅ ᴘʟᴀʏꜱ ᴀɴ ɪᴍᴘᴏʀᴛᴀɴᴛ ʀᴏʟᴇ ɪɴ ᴛʜᴇ ꜰᴏʀᴍᴀᴛɪᴏɴ ᴏꜰ ᴘᴏʟʟᴇɴ ɢʀᴀɪɴ ᴡᴀʟʟ. ɪᴛ ᴘʀᴏᴠɪᴅᴇꜱ ɴᴜᴛʀɪᴛɪᴏɴ ᴛᴏ ᴛʜᴇ ᴍᴀᴛᴜʀɪɴɢ ᴘᴏʟʟᴇɴ ɢʀᴀɪɴꜱ. ᴠᴀʀɪᴏᴜꜱ ᴀᴍɪɴᴏ ᴀᴄɪᴅꜱ, ᴇɴᴢʏᴍᴇꜱ, ᴀɴᴅ ʜᴏʀᴍᴏɴᴇꜱ ᴀʀᴇ ᴘʀᴏᴅᴜᴄᴇᴅ ʙʏ ᴛᴀᴘᴇᴛᴜᴍ ᴄᴇʟʟꜱ ᴛʜᴀᴛ ᴀʀᴇ ᴇꜱꜱᴇɴᴛɪᴀʟ ꜰᴏʀ ᴛʜᴇ ᴍᴀᴛᴜʀᴀᴛɪᴏɴ ᴏꜰ ᴘᴏʟʟᴇɴ ɢʀᴀɪɴꜱ. ᴛᴀᴘᴇᴛᴜᴍ ᴀʟꜱᴏ ꜰᴏʀᴍꜱ ᴛʜᴇ ᴇxɪɴᴇ ʟᴀʏᴇʀ ᴏꜰ ᴘᴏʟʟᴇɴ ɢʀᴀɪɴꜱ.