Ammo acids

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charmanderp

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Re: Ammo acids

« Reply #15 on: May 12, 2012, 11:59:59 pm »

0

Yes.

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jasoN-

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Re: Ammo acids

« Reply #16 on: May 13, 2012, 12:02:29 am »

0

The two amino acids with COOH side groups are glutamic acid and aspartic acid.
Yes these groups are affected by changes in pH
At a pH > ~4, both these amino acid's R groups will be mainly ionised (i.e. COO-)
A pH < ~3.5, the amino acid's R groups will be predominantly unionised (COOH)

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charmanderp

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Re: Ammo acids

« Reply #17 on: May 13, 2012, 12:06:05 am »

+1

http://www.chemguide.co.uk/organicprops/aminoacids/acidbase.html

http://chemistry.about.com/od/lecturenoteslab1/a/Amino-Acids.htm

Those two pages shed some light on the issue in a basic (hehehe) manner.

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thushan

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Re: Ammo acids

« Reply #18 on: May 13, 2012, 08:20:53 am »

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Quote from: charmanderp on May 13, 2012, 12:06:05 am

http://www.chemguide.co.uk/organicprops/aminoacids/acidbase.html

http://chemistry.about.com/od/lecturenoteslab1/a/Amino-Acids.htm

Those two pages shed some light on the issue in a basic (hehehe) manner.

http://www.chemguide.co.uk

BEST SITE EVER.

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