Science, asked by tejasshukla1509, 8 months ago

write down the process of test of protein​

Answers

Answered by Edhaliniyazh
2

Answer:

To a test tube, add 40 drops of liquid to be tested.

If testing more than one liquid, label each test tube with a marker.

Add 3 drops of Biuret reagent solution to each test tube. Shake gently to mix.

Note any color change. Proteins will turn solution pink or purple.

Biuret Test

Biuret Test: The Biuret Test is a general test for proteins. When a protein reacts with copper(II) sulfate (blue), the positive test is the formation of a violet colored complex. The Biuret Test works for any compound containing two or more of the following groups.

Answered by StrangeStark
4
  • ᴛᴏ ᴀ ᴛᴇsᴛ ᴛᴜʙᴇ, ᴀᴅᴅ ᴅʀᴏᴘs ᴏғ ʟɪǫᴜɪᴅ ᴛᴏ ʙᴇ ᴛᴇsᴛᴇᴅ.
  • ɪғ ᴛᴇsᴛɪɴɢ ᴍᴏʀᴇ ᴛʜᴀɴ ᴏɴᴇ ʟɪǫᴜɪᴅ, ʟᴀʙᴇʟ ᴇᴀᴄʜ ᴛᴇsᴛ ᴛᴜʙᴇ ᴡɪᴛʜ ᴀ ᴍᴀʀᴋᴇʀ.
  • ᴀᴅᴅ ᴅʀᴏᴘs ᴏғ ʙɪᴜʀᴇᴛ ʀᴇᴀɢᴇɴᴛ sᴏʟᴜᴛɪᴏɴ ᴛᴏ ᴇᴀᴄʜ ᴛᴇsᴛ ᴛᴜʙᴇ. sʜᴀᴋᴇ ɢᴇɴᴛʟʏ ᴛᴏ ᴍɪx.
  • ɴᴏᴛᴇ ᴀɴʏ ᴄᴏʟᴏʀ ᴄʜᴀɴɢᴇ. ᴘʀᴏᴛᴇɪɴs ᴡɪʟʟ ᴛᴜʀɴ sᴏʟᴜᴛɪᴏɴ ᴘɪɴᴋ ᴏʀ ᴘᴜʀᴘʟᴇ.

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