MCQ
In Escherichia coli lac Operon is induced by:
- ✓Lactose.
- BPromoter gene.
- C$\beta-$galactosidase.
- D$I-$gene.
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Reason : $m-RNA$ is transferred from the nucleus into the cytoplasm where ribosomes and amino acids are available for protein synthesis.
$I$. Lymphocytes are obtained from the patients
$II$. Lymphocytes are transferred to the culture dishes
$III$. Lymphocytes are transfected with the normal $ADA$ genes
$IV$. The transfected cell are returned to the patients
The chronological order should be