10 Questions
What is the purpose of treating an amino acid solution with neutral formaldehyde?
To form a methylene compound, allowing titration with standard alkali
What is the condition required for the reaction with ninhydrin to occur?
Presence of a free carboxyl group and a free amino group
What is the product of deamination by oxidation?
A ketone acid and ammonia
What type of compound is formed when a γ-amino acid loses a molecule of water?
A lactam
How does Fischer describe the linkage between amino acids in a protein molecule?
Peptide bond
What can be calculated using the molecular weights of proteins and amino acids?
The number of amino acids in a protein
What is the average molecular weight of proteins?
38,000
What is the average number of amino acids in a protein of average molecular weight?
288
Apart from NH2 and COOH, what do amino acids also contain?
Other reactive groups
What is the term for a compound formed by the condensation of two amino acids?
Dipeptide
Learn about the different functional groups of amino acids, including serine, tyrosine, tryptophan, arginine, and histamine, and understand the concept of racemization in protein solutions.
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