Objectives

There is a lot of information in chapter 8.

We will cover the first part of chapter 8 this week but this is linked to the second part of the chapter.  Some of the things that you will learn this week, you will still need to understand for the second part of the chapter.

Learn the vocabulary from chapter 8.1 – 8.11.

By the end of the week, you should be able to answer the following questions:

In what organisms does binary fission occur?

What is the end result of binary fission?

What are the different phases of the cell cycle and what happens at each stage?

What parts of the cell cycle make up interphase?

What are checkpoints?

What happens at the G1, G2 and M checkpoints?

What are the different phases of mitosis?  What happens at these different phases?

You can ignore prometaphase.  It is a stage that is in between prophase and metaphase.

What is the main purpose of mitosis?

What do you start with and what do you end with in mitosis?

What is the role of the mitotic spindle in mitosis?

What is cytokinesis?  How is it different in plant and animal cells?

How do the phrases density-dependent inhibition and anchorage dependence relate to cancer?

How are cancer cells different from normal cells?

How does a growth factor signal the cell cycle control system?  Look at figure 8.9B.

What is the difference between a malignant and a benign tumor?

What is the difference between carcinomas, sarcomas and leukemias and lymphomas?

What is the difference between radiation and chemotherapy?