Assume that a spherical cell, with a diameter of 23 μm, has spherical mitochondria, each with a diameter of 0.23 μm. if mitochondria occupy 17.7% of the volume of the cell, how many mitochondria are there?

Total number of mitochondria

Explanation:

Given ,

Diameter of spherical cell μm

Diameter of spherical mitochondria μm

Total volume of spherical cell

Volume of cell occupied by mitochondria

Number of mitochondria

Total number of mitochondria

g1

choices:

a. g2. b. g1. c. m

cell division has two checkpoints namely, g1

checkpoint and spindle assembly checkpoint. the checkpoint which determines if

division has properly occurred is the g1 checkpoint. at this point, is a damage

in the dna is detected or  the has not reach the optimum size, the cell is

stopped in g1 and is not allowed to proceed to further process.

source:

segmentation=endoskeleton=backbone=coelom=tissues