T3 Cell Structure

Question 1

What is the functions of the nucleus?

Answer 1

•control centre for the production of mRNA and tRNA (protein synthesis)
•retains genetic info in chromosomes (linear DNA)
•manufactures ribosomal RNA and ribosomes

Question 2

What are the parts that make up the nucleus ?

Answer 2

•nuclear envelope-double membrane, controls entry and exit of materials
•Nuclear pores-allows the passage of large molecules
•Nucleoplasm-jelly substance
•Chromosomes-protein bound linear DNA
•Nucleolus-manufactures ribosomal RNA and assembles ribosomes