This video lecture from The Cell (F.Sc. first year Biology) covers: Nucleus, which is double membrane bounded organelle present in center of animal cell and in plant cell. It is pushed aside due to large vacuole. It contains chromatin (DNA), nucleolus and nucleoplasm. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.