MCQ
In split genes, the coding sequence are called.
- AIntrons
- BOperons
- CExons
- DCistrons
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$R$ : It is the occurrence of horizontal zonation in the ecosystem.
$R$ : It can survive in both prokaryotic and eukaryotic organisms.
$(1)$ Aves - eurythermal
$(2)$ Mammals - stenothermal
$(3)$ Amphibia - stenothermal
$(4)$ Reptile - eurythermal