MCQ
Rough ER contains:
- AEtoxofocation centres.
- BCarbohydrate synthesizing machinery.
- CRibosomes.
- DLysosomes.
Explanation:
Rough endoplasmic reticulum contains ribosomes attached to its surface for synthesizing proteins.
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A girl is carrying a school bag of 3kg mass on her back and moves 200m on a levelled road. If the value of g be 10m/s2, the work done by the girl against the gravitational force will be: