Question

define Nucleus...? ​

Answer 1

Answer:

A nucleus is a membrane-bound organelle that contains the cell's chromosomes. Pores in the nuclear membrane allow for the passage of molecules in and out of the nucleus.

Answer 2

Answer:

Nucleus:

The nucleus is a double-membraned organelle that contains the genetic material and other instruction required for cellular processes. It is exclusively found in eukaryotic cells and is also one of the largest organelles.

Structure of the nucleus.

• A double membraned organelles known as the nuclear membrane.
• Thread like,dense structure known as chromatin are found within the nucleus containing proteins and DNA.
• The mechanical strength for the nucleus is provided by the nuclear matrix, a network of fibres and filaments which performs functions similar to the cytoskeleton.

Functions of the nucleus.

• It is responsible for storing the cells hereditary material or the DNA.
• It is responsible for coordinating many of the important cellular activities such as protein synthesis, cell division, growth and a host of other important functions.