MCQ
The primary productivity in an ecosystem is expressed as:
- A$gm^{-2}yr$
- ✓$gm^{-2}yr^{-1}$
- C$K\ cal\ m^{-2}yr^{-1}$
- D$K\ cal\ m^{-2}$
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$i.$ Glucose or galactose may bind with the repressor and inactivate it.
$ii.$ In the absence of lactose, the repressor binds with the operator region.
$iii.$ The z-gene codes for permease.
$iv.$ This was elucidated by Francois Jacob and Jacque Monod.