Question

Please help I have a quiz to submit in a couple of minutes and I don't...

Please help I have a quiz to submit in a couple of minutes and I don't understand these questions!

1. What is the charge on arginine at pH = 8? ( I think its +1 just need to make sure)

+1

+2

-1

0

2. What is the charge on arginine at pH = 10? (I think its -1 just need to make sure)

0

+1

+2

-1

2. What is the charge on the following polypeptide at pH = 7? (I think this is either +1 or 0 but not sure either)

ala-gly-asn-asp-lys-ser-val-his

0

+1

-1

+2

-2

0 0
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Answer #1

1.Charge of Arginine at pH -8 is +1

2.charge of Arginine at pH -10 is -1

3.charge of the following peptide at pH-7 is 0

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