1. The AA's hydroxyproline and hydroxylysine...
- are hydroxylated forms of proline and lysine, which require vit C as an enzyme cofactor for their synthesis
- are hydroxylated forms of proline and lysine, which require vit C as an enzyme cofactor for the synthesis and are found at high levels in collagen
- are translated from specific DNA sequences
- are hydroxylated forms of proline and lysine, thus not encoded by the genetic code
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Other questions in this quiz
2. Which component of the general structure of AA is acidic?
- always hydroxylated to hydroxyproline
- is an uncommon AA
- Commonly found in beta turns
- commonly found in alpha helices
- never found in collagen
4. Desmosine is an AA...
- formed of four hydroxyproline and hydroxylysine residues
- formed of four lysine residues
- formed of four glycine residues
- formed of four hydroxylysine residues
- formed of four hydroxyproline residues
5. The AA's valine, leucine and isoleucine have the following characteristics in common?
- they contain a polar side chain
- they contain a basic side chain
- they are branched non polar aa's
- they contain an acidic side chain
- none of the above