Show:
Vocabulary and Misc.
Parts Involved
Cancers
Why do cells divided?
Built-In Controls
100
What is the scientific name for cell division?
Mitosis
100
This part of the cell controls mitosis?
What is the nucleus.
100
What is cancer?
When cells continuously grow and divide unchecked.
100
Will cells keep on dividing forever?
No.
100
True or false: cells will continue to grow even if they are all in contact with one another.
False! Once cells are in contact with ALL of each other, they will stop dividing.
200
What is another name for the "growth factors" in mitosis?
proteins
200
Name one part of the cell that is involved in mitosis?
Centrioles or Microtubules
200
What causes cancer?
Cancer is abnormal cell growth. When there is one mutated cell and it continuously divides.
200
Which part of the cells grows the fastest?
The inside.
200
Once all cells are in contact with each other, they stop dividing. This is called what?
contact inhibition.
300
What are the main functions of mitosis?
To repair and grow.
300
This part carries the message for how the proteins are supposed to be put together.
DNA
300
What's the problem with smoking?
Causes lung cancer. Cigarette smoke contains 3000 different chemicals, some of which are carcinogens.
300
The cell membrane transports what to the cell?
Food and oxygen
300
Name the two results that could happen if control is lost, and cells continue to divide.
Tumor and cancer.
400
Describe the differences between a toddles cells and that of an elderly persons cell who are both undergoing mitosis.
An toddlers cells are growing more, rather than repairing. A toddlers are also dividing fasting because toddlers grow at a faster rate than an elderly person. An elderly person has more repairing going on. Their cells do not divide as fast, because they are not growing at as fast a rate as a toddler.
400
These are miniature tubes that act as the skeleton of the cell, just like our skeleton holds us together.
Microtubules
400
Name 4 of the 6 ways you can reduce your risk of getting cancer.
You can reduce your risk of cancer by not smoking, cutting your alcohol intake, being a healthy weight and eating a balanced diet, taking exercise and protecting yourself from the sun.
400
As a cell gets larger, this ratio gets _______, meaning the cell membrane cannot supply the inside with what it needs to survive.
smaller
400
Name another type of control in mitosis.
"go, no-go switch"
500
What are two example of cells undergoing division for repair?
If you break a bone or cut yourself.
500
These are long strands of molecules made-up of DNA
chromosomes
500
What are the 3 current ways for cancer treatment?
Surgery, radiotherapy and chemotherapy.
500
TIMED QUESTION--You have 3 minutes to answer. The most thorough answer will win. Use as many vocabulary words as possible.
Why must cells divide. Use as many vocabulary words as possible.
500
"go, no-go" switches are located where?
These are located along the path that the cell cycle takes, thus to continue or discontinue the process of cell division.