BMS1041 amino acids
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- Created by: tammyrocks4eva
- Created on: 04-06-14 09:19
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2. The amino acids with polar uncharged R groups are characterised by:
- uncharged acidic groups
- polar, charged groups in the side chains which can form H bonds eg OH, SH, C=O
- polar, uncharged groups in the side chains which can form H bonds eg OH, SH, C=O
- uncharged basic groups
3. The isoelectric point for glycine is approx pH 6. What is the predominant charge on glycine at pH 2?
- neutral
- positive
- no effect of pH on charge
- negative
4. The AA with 'non-polar' aliphatic R groups are characterised by:
- high levels of carbon and oxygen atoms in the side chain
- high levels of carbon and hydrogen in the side chain
- high levels of acidic or basic groups
- high levels of hydrogen bonding between carbon and hydrogen atoms in the side chain
5. Which component of the general structure of AA is acidic?
- H
- R-group
- COO-
- NH3+
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