Important Structure

The given diagram shows important structures in an animal cell. Identify it (I) The structure replicates during mitosis and generates the spindle (II) Major site for synthesis of lipid (III) Power house of the cell (IV) Store house of digestive enzyme (V) Increases the surface area for the absorption of materials (VI) Site of glycolysis (VII) Site for active ribosomal RNA synthesis

List the important structural characteristics of an ecosystem.

Mention two important structural features of ecosystem .

(a) List the important structural and functional differences between DNA and RNA. (b) Draw the structure of beta -D-ribose and beta -D-2-deoxyribose.

The most important muscular structure in respiratory system of human is

Which of the following elements is important to maintain structure of immunolobulin?