RER এর পূর্ণরুপ হলো- [HSC & Admission]

(ক) Rough endoplasmic reticulum
(খ) Rough endoplasmic reticell
(গ) Rough endoplasmic retibio
(ঘ) Rough endoplasmic recular

উত্তর-(ক) Rough endoplasmic reticulum

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