Download Biology Review

Biology Review
Please answer the following in complete sentences.
1. Explain why cells divide as an organism grows, rather than just getting larger. (2.2, 2.3)
2. Describe the differences between a benign tumour and a malignant tumour. Which one
is more dangerous? Explain why.
3. Describe the difference between cytokinesis and mitosis.
4. Draw and briefly describe the phases of mitosis (PMAT).
Phase
Prophase
Metaphase
Anaphase
Telophase
Sketch
Description
5. What is the basic unit of all living things?
6. Where is the cell’s genetic information found?
7. A cell with 22 chromosomes undergoes mitosis. How many chromosomes will be in each
cell that is produced?
8. List three reasons why cells divide.
9. List three stages of the cell cycle.
10. Why are carcinogens harmful to cells? Provide an example of a carcinogen.
11. Skin cell divide frequently, making new cells. What has to happen to the chromosomes
in a skin cell each time it divides?
12. Identify these specialized cells from the descriptions of their functions (p.55).
Cells that move bones
Cells that cover the body and help keep moisture inside
Cells that distribute oxygen and remove carbon dioxide
Cells that transmit electrical signals from the brain
13. List the biological levels of organization in order.
14. How are stem cells different from other body cells? Describe an obstacle that stands in
the way of stem cell therapy.
15. Describe the function of the following three organ systems.
Respiratory –
Circulatory –
Digestive –
16. Where is the site of gas exchange within the lungs?
17. Describe the difference between smooth and striated muscles.
18. Describe the four components of blood and the tasks they perform in the body.
Component
Description / task performed
Red Blood Cell
White Blood Cell
Plasma
Platelet
19. What kind of muscle causes the heart to beat? What makes this kind of muscle different
from the muscles in the digestive system?
20. Describe how the respiratory, digestive, and circulatory systems work together to
provide our cells with essential materials.
21. Name the four major types of tissue in the human body. Give an example of where in
the body you would find each of the four major types of tissues.
24. Name five organs that were visible in the frog dissection that are also in the human
body.
Diagrams – Label where indicated. Review!
Additional Questions – Optional but beneficial
Pg 150 #1, 3-9, 16, 20, 23, 27, 32, 33, 39
Take responsibility for your own learning!