Repressor protein is produced by
regulator gene
operator gene
structural gene
promoter gene
A.
regulator gene
The regulator gene is responsible for the synthesis of a protein called repressor. It may be active or inactive (aporepressor). The active repressor is normally seen in inducible systems while aporepressor is seen in repressible system. The repressor has an affinity for operator gene.
Balbiani rings are the structural features of
allosomes
polytene chromosomes
autosomes
lampbrush chromosomes
A eukaryotic gene contains two kinds of base sequences. Which of these plays an important role in protein synthesis?
Introns
Exons
Both (a) and (b)
None of these
