Question

The process of nitrogen fixation in
biologically useful form is called​

Answer 1

Bɪᴏʟᴏɢɪᴄᴀʟ ɴɪᴛʀᴏɢᴇɴ ғɪxᴀᴛɪᴏɴ ﹙BNF﹚ ɪs ᴛʜᴇ ᴇɴᴇʀɢᴇᴛɪᴄᴀʟʟʏ ᴇxᴘᴇɴsɪᴠᴇ ᴀɴᴅ ʙɪᴏᴄʜᴇᴍɪᴄᴀʟʟʏ ᴄʜᴀʟʟᴇɴɢɪɴɢ ᴘʀᴏᴄᴇss ᴄᴏɴᴅᴜᴄᴛᴇᴅ ʙʏ sᴏᴍᴇ ᴘʀᴏᴋᴀʀʏᴏᴛᴇ sᴘᴇᴄɪᴇs ᴛʜᴀᴛ ᴛʀᴀɴsғᴏʀᴍs ɪɴᴇʀᴛ ᴅɪɴɪᴛʀᴏɢᴇɴ ɢᴀs ﹙N₂﹚ ɪɴᴛᴏ ʙɪᴏʟᴏɢɪᴄᴀʟʟʏ ᴀᴠᴀɪʟᴀʙʟᴇ NH₄﹢.

Answer 2

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• Biological nitrogen fixation (BNF) is the energetically expensive and biochemically challenging process conducted by some prokaryote species that transforms inert dinitrogen gas (N2) into biologically available NH4+.
• Biological nitrogen fixation (BNF) is the term used for a process in which nitrogen gas (N2) from the atmosphere is incorporated into the tissue of certain plants. Only a select group of plants is able to obtain N this way, with the help of soil microorganisms.

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