Benign tumor..............
A primary oocyte residing in a primordial follicle becomes a secondary oocyte "in the vesicular follicle".
Endocrine system is the answer
It is because they have hydrophilic phosphate groups that are attracted to water and hydrophobic fatty acid tails that avoid water.
Hope this helps!
1) they allow for multiple reactions in the cell at once for example the mitochondria producing ATP for respiration and The Rough endoplasmic reticulum and ribosomes for protein synthesis
