Dictionary » C » Carboxyl




A functional group -COOH, characteristic of carboxylic acids


Also called:

  • carboxyl group
  • carboxy

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Re: how to memorize the amino acid

... add hydroxyl and you get tyrosine. Add imidazole and you get histidine. With the largest system you get tryptophan ;) For the acidic AAs, just add carboxyl to Ala and you get aspartic acid. Since G lutamic acid is later in alphabet, it is longer by one carbon. The amides are just likewise. The ...

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by JackBean
Thu Feb 09, 2012 9:52 am
Forum: General Discussion
Topic: how to memorize the amino acid
Replies: 4
Views: 7121

Please help!

1) Oxaloacetate is a compound (C4O5) in the tricarboxylic acid cycle, it is an isomer of Malate, after the action of Malate Dehydrogenase or Pyruvate Carboxylase, and is a compund which has been formed (sometimes oxaloacetate, sometimes acetyl, ...

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by billyfisher100
Sat Jan 21, 2012 1:13 pm
Forum: Cell Biology
Topic: Please help!
Replies: 10
Views: 7363

protein structures

... exists if multiple polypeptides bind together to form a functional protein The answer choices are: Alpha helix or beta-pleated sheet structure carboxyl Quaternary Structure Amino 3 dimensional shape Polypeptides Hydrolysis Tertiary Structure Carbonyl Peptide Ionic Primary Structure Secondary ...

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by jutter
Wed Feb 09, 2011 3:35 am
Forum: Molecular Biology
Topic: protein structures
Replies: 2
Views: 7069

gluconeogenesis from pyruvate--> labeling carbon

I have to predict the positions of the glucose molecule that would become labeled from the 1-14C pyruvate (i.e, the label in the carboxyl group of pyruvate). a) Carbon-1 b) carbon-2 c) carbon-3 d) carbon-4 e) carbon-5 d) carbon-6 I first thought that carbons 1 and 6 were the correct answers, ...

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by nickname
Tue Nov 23, 2010 4:30 pm
Forum: Cell Biology
Topic: gluconeogenesis from pyruvate--> labeling carbon
Replies: 5
Views: 8727

Re: Re:

4) True. Neutral fats contain COOH at the end of their chain. Deffinitelly not! He was asking about lipids, not carboxylic acids and lipids has no free carboxyl group. Obviously, he just put true behind everything to "show his work" and didn't care much and you gave ...

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by Tranc3r
Tue Nov 16, 2010 2:28 am
Forum: Cell Biology
Topic: Verify my simple t/f answers?
Replies: 9
Views: 10461
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