Cell Cycle and Mitosis

Question 1

What is cyclin?

Answer 1

the protine that regulates the cell cycle

Question 2

What is cancer?

Answer 2

A disorder of the cell cycle where your cells grow and divide out of control.

Question 3

What are tumors?

Answer 3

Clumps (or mass) of cells.

Question 4

What are the types of tumors?

Answer 4

Benign- doesn’t spread

malignant- spreads and is deadly.

Question 5

What can cause cancer?

Answer 5

• Carcinogens: smoking,
  tabaco, radiation
• Viral infection
• Genetics
• Poor lifestyle

Question 6

3 cancer treatments?

Answer 6

Surgery, chemotherapy, and spot ratiation

Question 7

What is apotosis?

Answer 7

Programed cell death (cell self-destruction)
- Shapes tissues and organs
- When this doesn’t occur, diseases happen
(EX. AIDS and parkinson’s disease)

Question 8

What is DNA overload?

Answer 8

When a cell grows too much and becomes too big for the DNA to control anymore.

Question 9

2 reasons cells divide?

Answer 9

• To replace damaged, worn out cells
• DNA overload

Question 10

Two main stages of cell division?

Answer 10

Mitosis and cytokinesis

Question 11

What is the order of mitosis?

Answer 11

PMAT

Question 12

Prophase?

Answer 12

nuclear envelope breaks down, chromatin condenses into chromosomes.

Question 13

Metaphase?

Answer 13

Nucleus dissolves, chromosomes condense

Question 14

Anaphase?

Answer 14

sister chromatids are pulled to opposite ends of the cell

Question 15

Telophase?

Answer 15

2 membranes are formed around 2 identical sister nuclei