Amino acids and proteins
Answers are for parents and teachers.
1
Write the reaction of alanine with HCl.
CH₃–CH(NH₂)–COOH + HCl → CH₃–CH(NH₃Cl)–COOH
2
Glycine + glycine → dipeptide + H₂O. What is the molar mass of the dipeptide (M(glycine) = 75)?
132
3
How many peptide bonds are in a linear polypeptide of 20 residues?
19
4
Into which substances are proteins broken down in digestion?
into amino acids