Cell Structure and Function

Question 1

Nucleus

Answer 1

The nucleus is a highly specialized organelle that servesas the “information and administrative centre” of the cell, composing:

Nuclear Envelope:
-Double membrane, pores, continuous with ER

Nucleolus:
- Non-memrnous organelle
- produces ribosomes
- Nucleus has one or ore nucleolus

Chromatin:
- DNA + Proteins
- Visible as individual chromosomes (the cell divides)

Question 2

Functions of DNA

Answer 2

Encodes proteins, rRNA and tRNA essential for form and function