Nucleus - Structure (1)

Question 1

What is Nucleus?

Answer 1

Nucleus is dense membrane bound organelle.

Question 2

What is chromatin?

Answer 2

chromatin is highly extended elaborate nucleoprotein fibre called chromatin. can only be seen during interphase.

Question 3

What is interphase nucleus?

Answer 3

nucleus of the cell when not dividing.

Question 4

is nucleus protected by any membrane?

Answer 4

electron microscopy has revealed that nuclear envelope which consists of two parallel membrane has perinuclear space which, creates a barrier for the materials in the nucleus and that of cytoplasm

Question 5

more about nuclear envelope

Answer 5

at number of places envelope is interrupted by minute pores which are formed by the fusion of two membranes
causing the movement of RNA and molecules taking place between

Question 6

What is Neucoplasm

Answer 6

nuclear matrix

Question 7

What is nucleoli

Answer 7

nucleoli are the spherical structures, continous with nuecoplasm as its not membrane bound organelle

Question 8

Any one function of nucleoli

Answer 8

It is a site of actival ribosmal RNA synthesis