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Biology, Chemistry, Science
University
Biochem: Structures of 20 Common Amino Acids
20 questions
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- 1. Multiple Choice
Group A: Non-polar side chains, sulfur atom in side chain
Methionine (Met, M)
Tryptophan (Trp, W)
Phenylalanine (Phe, F)
Isoleucine (Ile, I)
- 2. Multiple Choice
Group A: Non-polar side chains, indole ring sidechain, aromatic
Methionine (Met, M)
Tryptophan (Trp, W)
Phenylalanine (Phe, F)
Isoleucine (Ile, I)
- 3. Multiple Choice
Group A: Non-polar side chains, hydrocarbon aromatic ring
Methionine (Met, M)
Tryptophan (Trp, W)
Phenylalanine (Phe, F)
Isoleucine (Ile, I)
- 4. Multiple Choice
Group A: Non-polar side chains, contain aliphatic hydrocarbon group
Methionine (Met, M)
Tryptophan (Trp, W)
Phenylalanine (Phe, F)
Isoleucine (Ile, I)
- 5. Multiple Choice
Group A: Non-polar side chains, contain aliphatic hydrocarbon group
Leucine (Leu, L)
Proline (Pro, P)
Alanine (Ala, A)
Valine (Val, V)
Glycine (Gly, G)
- 6. Multiple Choice
Group A: Non-polar side chains, contain aliphatic hydrocarbon group, cyclic structure (secondary)
Leucine (Leu, L)
Proline (Pro, P)
Alanine (Ala, A)
Valine (Val, V)
Glycine (Gly, G)
- 7. Multiple Choice
Group A: Non-polar side chains, contain aliphatic hydrocarbon group
Leucine (Leu, L)
Proline (Pro, P)
Alanine (Ala, A)
Valine (Val, V)
Glycine (Gly, G)
- 8. Multiple Choice
Group A: Non-polar side chains, contain aliphatic hydrocarbon group
Leucine (Leu, L)
Proline (Pro, P)
Alanine (Ala, A)
Valine (Val, V)
Glycine (Gly, G)
- 9. Multiple Choice
Group A: Simplest amino acid with H2 attached in the alpha carbon
Leucine (Leu, L)
Proline (Pro, P)
Alanine (Ala, A)
Valine (Val, V)
Glycine (Gly, G)
- 10. Multiple Choice
Group B: Neutral polar side chains, side chain is polar hydroxyl group
Threonine (Thr, T)
Cysteine (Cys, C)
Tyrosine (Tyr, Y)
Serine (Ser, S)
- 11. Multiple Choice
Group B: Neutral polar side chains, Side chain contains thiol group (-SH)
Threonine (Thr, T)
Cysteine (Cys, C)
Tyrosine (Tyr, Y)
Serine (Ser, S)
- 12. Multiple Choice
Group B: Neutral polar side chains, hydroxyl group bonded to aromatic hydrocarbon group
Threonine (Thr, T)
Cysteine (Cys, C)
Tyrosine (Tyr, Y)
Serine (Ser, S)
- 13. Multiple Choice
Group B: Neutral polar side chains, side chain is polar hydroxyl group
Threonine (Thr, T)
Cysteine (Cys, C)
Tyrosine (Tyr, Y)
Serine (Ser, S)
- 14. Multiple Choice
Group B: Neutral polar side chains, contain amide bonds in side chain
Asparagine (Asn, N)
Glutamine (Gln, Q)
Tyrosine (Tyr, Y)
Serine (Ser, S)
- 15. Multiple Choice
Group B: Neutral polar side chains, contain amide bonds in side chain
Asparagine (Asn, N)
Glutamine (Gln, Q)
Tyrosine (Tyr, Y)
Serine (Ser, S)
- 16. Multiple Choice
Group C: Acidic side chains, have carboxyl, can lose a proton – forming a carboxylate ion, negatively charged at neutral pH
Aspartic Acid (Asp, D)
Glutamic Acid
- 17. Multiple Choice
Group C: Acidic side chains, have carboxyl, can lose a proton – forming a carboxylate ion, negatively charged at neutral pH
Aspartic Acid (Asp, D)
Glutamic Acid
- 18. Multiple Choice
Group D: Basic side chains, positively charged at pH7, side-chain NH3 group is attached to an aliphatic hydrocarbon chain
Lysine
Histidine
Arginine
- 19. Multiple Choice
Group D: Basic side chains, positively charged at pH7, has imidazole group
Histidine
Arginine
Lysine
- 20. Multiple Choice
Group D: Basic side chains, positively charged at pH7, guanidine group side chain
Arginine
Lysine
Histidine
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