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6. what happens if the PH is more alkaline than the amino acids isoelectric point?
- a COO- group is formed
- an NH3 group is formed
7. what is a zwitterion?
- an amino acid with neither a NH3 group or COO- group.
- an amino acid with an NH3 group
- an amino acid with a NH3 group and a COO- group
- an amino acid with a COO- group
8. what is a polypeptide?
- more than one amino acid
- two bonded amino acids
- one amino acid
9. an amide link is formed from bonding two amino acids. true or false?
10. which parts of the NH2 and COOH groups are involved in forming an amide link?
- two H from the NH2 and one H from the COOH
- two H from the NH2 and the OH group from the COOH
- one H from the NH2 and the OH from the COOH.
- one H from the NH2 and one H from the COOH
11. what is it called when two amino acids bond together?
- dipeptide
- polypeptide
- tripeptide
