MCQ
How does a regulator gene function in the operon concept.
- ABy repressor
- BBy regulator
- CBy Inhibitor
- DAll of the above
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$(a)$ Caspian $(b)$ Rusiya
$(c)$ Bali $(d)$ Quagga
$II.$ The cell is treated with specific concentration of a divalent cation such as $... B...$ to increase pore size in cell wall
$III. $In $...C...$ method recombinant $DNA$ is directly injected into the nucleus of an animal cell
The most appropriate option regarding $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$ is