Question

Balbiani rings (puffs) are sites of

(a) DNA replication

(b) RNA and Protein synthesis

(c) Synthesis of Polysaccharides

(c) Synthesis of lipids

Answer 1

Correct option  (b) RNA and Protein synthesis

Explanation :

In polytene chromosomes (salivary gland chromosomes). Large swellings are called puffs or Balbiani rings, named after their discoverer. In such rings, DNA is active, uncoiled for rapid transcription of RNA or protein synthesis.