Name______________________________

Period_____

3.4 Guided Reading

Cell Nucleus

As you carefully read through the text, answer the following questions as completely as possible!

Introduction

1. Where is DNA found in the body?

Nucleus

2. The nucleus is only found in ___________________ cells.

3. The nucleus contains the ____________ ________________ (DNA) of the cell.

4. The genetic material is like a set of instructions. What do these instructions tell the cell how to build?

5. What surrounds the nucleus?

Chromosomes

6. What are chromosomes?

7. How are chromosomes and genes related?

Nucleolus

8. What is the job of the nucleolus?

9. What are ribosomes and what are their functions?