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    From six different amino acids, how many six-residue polysaccharide can be formed?

    I don't understand this question? anyone know what it's asking me?
    is the answer 6 or 1296 by any chance?
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    If you mean polypeptide rather than polysaccharide, for a given set 6 amino acids that all have to be used the answer is 6!. For a given set 6 amino acids that don't all have to be used the answer is 6^6. If you can use any amino acids, but must use 6, the answer is \frac{20!}{14!}

    If you weren't talking about polypeptides, I confess that I don't know what you are talking about.
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    It's asking how many unique polypeptides (not polysaccharides, those are sugars not proteins) you can make using 6 building blocks - amino acids. 6^6 = 46656. If you wanna be pedantic, the single amino acids aren't polypeptides, so 46656 - 6 = 46650.
 
 
 
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Updated: January 22, 2015
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