Which checkpoint requires a cell to be of adequate size in order to move to the next phase in the cell cycle?
a.) g 1/s checkpoint
b.) g 2 gheckpoint
c.) g 0 checkpoint
d.) m checkpoint

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Which of the following forest management practices is best for reestablishing areas of forest?

Which organ controls breathing? lungs alveoli heart diaphragm