HELPP MEEBell Work: Why is the nucleus sometimes called the control center of the cell? Please answer each question True (T) or False (F). Please write T or F.

1. Many types of organisms are unicellular.

2. Ribosomes function as factories to produce proteins.

3. Mitochondria are called "powerhouses" of the cell.

4. Everything the cell needs enters through the cell membrane.

5. The cell theory holds true for all living things, no matter how big or how small.

6.

A light microscope that has more than one lens is called a microscope.

7. Basic units of structure and function in living things are called cells.

8. All cells have cell membranes.

9. Bacterial cell does not contain a nucleus.

10. Lysosomes are more common in animal cells than in plant cells.



Review questions. Please answer each question.

1. Are cells the building blocks of organisms?

2. How would you describe an animal cell?

3. What's the difference between magnification and resolution? (explain)

4. What are tiny cell structures called?

5. Why do you think different cells look so different from each other?

Exit Ticket: Where in the nucleus is genetic material found?