Other questions in this quiz

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

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

3. What is a zwitterion?

  • The pH value at which the amino acid exists as an isoelectric ion.
  • A negatively charged form of the amino acid.
  • A dipolar ionic form of an amino acid that is formed by the donation of a hydrogen ion from the carboxyl group to the amino group.
  • A positively charged form of the amino acid.

4. Does a zwitterion have a charge?

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

5. What are assembled into proteins?

  • Carboxylic acids
  • Acids
  • Amino acids
  • Esters

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