Shoaib Q- Draw a well labeled diagram of an eukaryotic nucleus. How is it different from nucleoid? Answer- The main differences between Nucleus and Nucleoid are as follows: Nucleus: 1. Nucleus is large sized. 2. Nucleus has a membrane or is membrane bound. 3. Nucleolus is present in nucleus of a eukaryotic cell. 4. In Nucleus … Read more
Q- Differentiate between smooth and rough endoplasmic reticulum. How is endoplasmic reticulum important for membrane biogenesis? Answer- Smooth Endoplasmic Reticulum: 1. Ribosomes are absent in Smooth Endoplasmic Reticulum. 2. The main function of Smooth Endoplasmic Reticulum is to manufacture lipids and fats. Rough Endoplasmic Reticulum: 1. Ribosomes are present in Rough Endoplasmic Reticulum. In Rough … Read more
Q- In brief state what happens when (a). dry apricots are left for sometime in pure water and laster transfer to sugar solution? (b). a red blood cell is kept in concentrated saline solution? (c). the plasma-membrane of cell breaks down? (d). rheo leaves are boiled in water first and then a drop of sugar … Read more
Q- In brief state what happens when (a) dry apricots are left for sometime in pure water and laster transfer to sugar solution? Answer:- dry apricots first swell due to endosmosis and then shrink due to exosmosis.