Answer: C1-C6 (alpha-1,6).
- A C1-C6 (alpha-1,6)
- B C1-C4 (alpha-1,4)
- C C1-C4 (beta-1,4)
- D C1-C6 (beta-1,6)
Correct answer: A. C1-C6 (alpha-1,6)
Explanation: Amylopectin and glycogen have chains joined by alpha-1,4 links, with alpha-1,6 (C1-C6) links creating the branch points.
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.