Answer: Glucose.
- A Glucose
- B Fructose
- C Galactose
- D Sucrose
Correct answer: A. Glucose
Explanation: Both starch and cellulose are polysaccharides made up of glucose monomers.
Two amino acids join via a condensation reaction: the carboxyl -OH of one and an amine -H of the other are eliminated as water, leaving a peptide bond (-CO-NH-) linking them into a dipeptide; repeating this builds a full protein chain.
Concept context
The chemistry of life: carbohydrates, proteins, lipids, nucleic acids, enzymes, and vitamins. Understand their structures, classification, and biological functions. Highly relevant for NEET and Class 12 board exams.