MCQ
In $C_{4}$-plants, the bundle sheath cells
- AHave cells density of chloroplast
- BAre rich in $PEP$ case
- ✓Have large number of Rubisco
- DAre large sized having transferase
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$i. r-RNA$ provides the template for synthesis of proteins.
$ii.$$ t-RNA$ brings amino acids and reads the genetic code.
$iii. $$RNA$ polymerase binds to promoter and initiates transcription.
$iv. $A segment of $DNA$ coding for polypeptide is called intron.
Although all the biodiversity hot spots put together covers less than ...$C$... $\%$ of the earth's land area, the number of species they collectively harbour is extremely high and the strict protection of these hot spots could reduce the ongoing mass extinctions by almost ..$D$... $\%, A, B, C$ and $D$ in the paragraph refers to
