Question

What are the antigens and antibodies?​

Answer 1

Answer:

ᴀɴᴛɪɢᴇɴs ᴀʀᴇ ᴍᴏʟᴇᴄᴜʟᴇs ᴄᴀᴘᴀʙʟᴇ ᴏғ sᴛɪᴍᴜʟᴀᴛɪɴɢ ᴀɴ ɪᴍᴍᴜɴᴇ ʀᴇsᴘᴏɴsᴇ. ᴇᴀᴄʜ ᴀɴᴛɪɢᴇɴ ʜᴀs ᴅɪsᴛɪɴᴄᴛ sᴜʀғᴀᴄᴇ ғᴇᴀᴛᴜʀᴇs, ᴏʀ ᴇᴘɪᴛᴏᴘᴇs, ʀᴇsᴜʟᴛɪɴɢ ɪɴ sᴘᴇᴄɪғɪᴄ ʀᴇsᴘᴏɴsᴇs. ᴀɴᴛɪʙᴏᴅɪᴇs (ɪᴍᴍᴜɴᴏɢʟᴏʙɪɴs) ᴀʀᴇ ʏ-sʜᴀᴘᴇᴅ ᴘʀᴏᴛᴇɪɴs ᴘʀᴏᴅᴜᴄᴇᴅ ʙʏ ʙ ᴄᴇʟʟs ᴏғ ᴛʜᴇ ɪᴍᴍᴜɴᴇ sʏsᴛᴇᴍ ɪɴ ʀᴇsᴘᴏɴsᴇ ᴛᴏ ᴇxᴘᴏsᴜʀᴇ ᴛᴏ ᴀɴᴛɪɢᴇɴs.

Explanation:

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ᴜ.....

ʜᴀᴠᴇ ᴀ ɴɪᴄᴇ ᴅᴀʏ ᴀʜᴇᴀᴅ.....

Answer 2

$\huge\dag$ Antigens are molecules capable of stimulating an immune response. Each antigen has distinct surface features, or epitopes, resulting in specific responses. Antibodies (immunoglobins) are Y-shaped proteins produced by B cells of the immune system in response to exposure to antigens.