MCQ
Which of the glands is often referred in relation with AIDS
- AThyroid
- ✓Thymus
- CAdrenal
- DPancreas
(b)Thymus is an important gland in the early part of human life and forms $T$-lymphocytes. It is referred in relation to AIDS because AIDS virus destroyes $T$-lymphocytes.
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Reason : Presence of insert results in inactivation of enzyme $\beta -$ galactosidase known as insertional inactivation.
$I.$ A soil inhabiting plant bacterium, Agrobacteriumtumefaciens, a pathogen of several dicot plants is able to transfer a piece of $DNA$ known as $T-DNA$
$II.$ The T-DNA causes tumours
$III.$ Tumour formation induced by $Ti-$ plasmid
Which of the statements given above are correct?