Question

what is the purpose of serial dilution​

Answer 1

Answer:

Dilution is the process of making a solution weaker or less concentrated. In microbiology, serial dilutions (log dilutions) are used to decrease a bacterial concentration to a required concentration for a specific test method, or to a concentration which is easier to count when plated to an agar plate.

Answer 2

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ᴅɪʟᴜᴛɪᴏɴ ɪꜱ ᴛʜᴇ ᴘʀᴏᴄᴇꜱꜱ ᴏꜰ ᴍᴀᴋɪɴɢ ᴀ ꜱᴏʟᴜᴛɪᴏɴ ᴡᴇᴀᴋᴇʀ ᴏʀ ʟᴇꜱꜱ ᴄᴏɴᴄᴇɴᴛʀᴀᴛᴇᴅ. ɪɴ ᴍɪᴄʀᴏʙɪᴏʟᴏɢʏ, ꜱᴇʀɪᴀʟ ᴅɪʟᴜᴛɪᴏɴꜱ (ʟᴏɢ ᴅɪʟᴜᴛɪᴏɴꜱ) ᴀʀᴇ ᴜꜱᴇᴅ ᴛᴏ ᴅᴇᴄʀᴇᴀꜱᴇ ᴀ ʙᴀᴄᴛᴇʀɪᴀʟ ᴄᴏɴᴄᴇɴᴛʀᴀᴛɪᴏɴ ᴛᴏ ᴀ ʀᴇQᴜɪʀᴇᴅ ᴄᴏɴᴄᴇɴᴛʀᴀᴛɪᴏɴ ꜰᴏʀ ᴀ ꜱᴘᴇᴄɪꜰɪᴄ ᴛᴇꜱᴛ ᴍᴇᴛʜᴏᴅ, ᴏʀ ᴛᴏ ᴀ ᴄᴏɴᴄᴇɴᴛʀᴀᴛɪᴏɴ ᴡʜɪᴄʜ ɪꜱ ᴇᴀꜱɪᴇʀ ᴛᴏ ᴄᴏᴜɴᴛ ᴡʜᴇɴ ᴘʟᴀᴛᴇᴅ ᴛᴏ ᴀɴ ᴀɢᴀʀ ᴘʟᴀᴛᴇ.