In which of the following disaccharides both the basic structural units are the same?

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In which of the following disaccharides both the basic structural units are the same? Answer: Maltose

Maltose is a disaccharide composed of two glucose units joined by an α(1→4) glycosidic bond. Unlike sucrose (glucose + fructose) and lactose (glucose + galactose), maltose contains two identical monosaccharide units, making it the correct answer.

Question context

This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.