Cell - Structure and Functions

Describe the structure and functions of mitochondria.

Describe the structure and functions of bone.

Describe the structure and functions of the spinal cord .

Assertion :- Simple permanent tissues are homogenous tissue. Reason:- Simple permanent tissue is made up of cells similar in structure and function

All the body cells are of same origin and therefore, have same genes, yet they differ in structure and function because they synthesize different

Describe the structure and functioning of nephrons.

Name the structure and functional unit of liver.

Describe the structure and function of endoplasmic reticulum.

Give structure and functions of erthyrocytes and thrombocytes.

(a) Describe the structure and function of a t-RNA molecules . Why is it referred to as an adapter molecules ? (b) Explain the process of splicing of hn - RNA in a eukaryotic cell.