nucleus

Question 1

What is the structure and function of the nuclear envelope?

Answer 1

The nuclear envelope is a double membraned outer covering that envelopes the nucleus to protect it from mechanical damage

Question 2

What is the structure and function of the nuclear pores?

Answer 2

The nuclear pores present in the nuclear envelope are small porous holes that allow for the exchange of substances in and out of the cell

Question 3

What is the structure and function of the nucleolus?

Answer 3

The nucleolus is a centralised spherical structure located in the nucleus that helps to synthesise ribosomal ribonucleic acid (rRNA) for ribosomal subunits

Question 4

What is the function of deoxyribonucleic acid (DNA)?

Answer 4

Deoxyribonucleic acid (DNA) contains genetic information which are wrapped around histone proteins via linker DNA to be condensed into chromosomes that are visible to the naked eye

Question 5

What is the function of the nucleus?

Answer 5

The nucleus helps to control all cell activities, is essential to cellular division and helps to repair worn out cell parts