A-Level
CAIE
Biology
June 2024
QP-202406-Biology-P11 · Question 6
Question (excerpt):
6 The diagrams show the structure of four amino acids in aqueous solution. N+H3 H C CH2 COO– CH2 CH2 CH2 H3N+ N+H3 H C H COO– N+H3 H C CH3 COO– O O– N+H3 H C COO– CH2 C glycine lysine alanine aspartat…
6 The diagrams show the structure of four amino acids in aqueous solution. N+H3 H C CH2 COO– CH2 CH2 CH2 H3N+ N+H3 H C H COO– N+H3 H C CH3 COO– O O– N+H3 H C COO– CH2 C glycine lysine alanine aspartat…
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