During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?
Metaphase.
100
What happens when cells get too big?
The cells divide.
100
What are Cyclins?
Regulate the cell cycle.
100
What is G2 phase?
It prepares the cell for mitosis
200
What is Prophase, Metaphase, Anaphase, and Telophase?
The name of the 4 stages of mitosis
200
What is Interphase?
G1, S, G2 phase
200
What problems occur if the cell gets too big?
It is harder for the DNA to control the cell.
200
What is a tumor?
A mass of cancer cells.
200
Mr. Stiltner is rooting for this team in the super bowl.
Neither, he just wants to see the commercials.
300
What is the role of spindle fibers during mitosis?
They help separate the chromosome during mitosis.
300
What is the cell cycle?
A Series of events that cells go through as they grow and divide.
300
What is the surface area?
cells move things in and out of the membrane. The rate of exchange depends on?
300
Which of the following is a factor that can stop normal cells from growing?
Contact with other cells
300
A volume of cell increases about 1000 times when the surface area increases
What is a 100 times?
400
Which phase follows mitosis?
Cytokinesis.
400
What is the two main stages of cell division are called?
Mitosis and Cytokinesis.
400
The volume of the cell increase faster then the_____ as a cell gets bigger?
What is the surface area?
400
What is an example of external regulators of the cell cycle?
Contact Inhibition
400
Regulates eukaryotic cells, the timing of the cell cycle
What is cyclins?
500
What will produce two daughter cells, each containing two chromosomes?
During normal mitotic cell division, a parent cell that has four chromosomes
500
When during the cell cycle are chromosomes visible?
Only during the M phase (aka Mitosis).
500
What happens when a cell uses up food and oxygen more quickly.Places more demands on its DNA.Has more trouble moving enough materials across its cell membrane.
What is as cell grows bigger?
500
What is Cancer?
A disorder in which some cells have lost the ability to control their growth rate.
500
A cell with a defective p53 gene.
What is likely to stop responding to growth regulators?