Download NOVA Online Cancer Tutorial

NOVA Online Cancer Tutorial-How Cancer Grows
Name:_____________
Date:__________
Period:____
Standard:
 BI5. a. Students know the general structures and functions of DNA, RNA, and protein.
Objective(s): SWBAT…
 Explain the origin of new cells.
 Describe the structure and function of DNA.
Directions:
 Open the following link: http://www.pbs.org/wgbh/nova/cancer/grow_flash.html
If the flashplayer does not work then use the following link:
http://www.pbs.org/wgbh/nova/cancer/grow_nf01.html
 Read each section of tutorial and answer the questions below. Click next to move
on to the next section.
A.)Introduction:
1. What are carcinomas?
2. Where do carcinomas originate?
B.)DNA of a Normal:
1. What is the role of DNA in cells?
2. Why is it important that the DNA be the same in all the cells?
C.)Mutation of DNA:
1. How is the mutated DNA different than the “normal” DNA?
2. How can mutations be caused?
D.)Genetically Altered Cell/First Mutation:
1. Which process do body cells use to replicate?
2. How do mutated cells replicated differently than normal cells?
E.)Spread and Second Mutation:
1. What do the mutated cells do to the normal cells?
2. How do the mutated cells end up with more than one mutant genes?
F.)Third/Fourth Mutations:
1. How do mutations cause tumors to develop?
2. In comparison to normal cells why do cancers grow more rapidly?
G.)Angiogenesis:
1. What is angiogenesis?
2. How big is the tumor and how many cells is it made of?
H.)Invasion and Dispersal:
1. How does the tumor spread to different parts of the body?
2. How many tumor cells can a tumor the size of a gram send out per day?
I.)Metastasis:
1. How do tumors form new colonies?
2. Why can does metastasis lead to death?