When flagella are distributed all around a bacterial cell, the arrangement is called

Glucose is the prime source of energy in our body. However it is stored in the form of glycogen in the muscle and liver of animals and in the form of starch in plants. As a result, every time a cell requires glucose, it must hydrolyze glycogen which is an energy-consuming process. Why does the cell store glycogen instead of glucose in free form?

Cells vary in their size. Arrange the following cells in ascending order of their size and select the correct option among the following.

(I) Mycoplasma

(II) Ostrich egg

(III) Human RBC

(IV) Bacteria