Other questions in this quiz

2. At a pH more alkaline than the isoelectric point...

  • Behaves as a acid and donates a proton forming a negative ion.
  • Behaves as a base and donates a proton forming a positive ion.
  • Behaves as a acid and donates a proton forming a positive ion.
  • Behaves as a base and donates a proton forming a negative ion.

3. What groups do alpha amino acids (those in the body) need to have?

  • A acidic amine group and a basic carboxyl group
  • A basic amine group and an acidic carboxyl group connected to the same carbon
  • A basic amine group and an acidic carboxyl group
  • A acidic amine group and a basic carboxyl group connected to the same carbon atom

4. Does a zwitterion have a charge?

  • A positive charge
  • No
  • Yes
  • A negative charge

5. What is an amino acid?

  • They are substances found only in the body to form proteins.
  • The building blocks for the biological molecules, peptides and proteins.
  • They are organic compounds with the carboxylic acid functional group
  • The building blocks for biological molecules, polyesters.

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