Carbohydrates — classification; mono- and disaccharides (glucose and sucrose); oxidation, reduction; glycoside formation and hydrolysis (sucrose, maltose, lactose); anomers. Proteins — amino acids; peptide linkage; primary and secondary structure; fibrous and globular proteins. Nucleic acids — chemical composition and structure of DNA and RNA.
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Q1 · Biomolecules · MEDIUM
A linear hexasaccharide (molar mass = 918 g mol⁻¹) on complete hydrolysis produces two monosaccharides: glucose and fructose. The amount of glucose formed is 64.71% (w/w) of the total monosaccharides produced. How many glucose units are present in one molecule of the hexasaccharide? (Given: Molar mass in g mol⁻¹: glucose = 180, fructose = 180; Atomic mass in amu: H = 1, O = 16)
Q2 · Biomolecules · EASY
Which of the following statements is correct regarding α-amino acids?