Which one of the following is a difference between a normal cell and a cancer cell?
a.
normal cells undergo apoptosis while cancer cells don’t.
b.
normal cells do not respond to regulatory signals while cancer cells do.
c.
normal cells invade surrounding tissues while cancer cells don’t.

The answer of "which is the difference between a normal cell and a cancer cell" is A

Explanation:

Apoptosis is the process in which cells are destroyed or killed for the purpose of controlling their development and growth.

The normal cells follow this process but the cancer cell do not response to it and keep growing.

to figure the total magnification of an image that you are viewing through the microscope is really quite simple. to get the total magnification take the power of the objective (4x, 10x, 40x) and multiply by the power of the eyepiece, (usually 10x)