What are the three main reasons the cell cycle is important

This female hormone, stored in the posterior pituitary gland, stimulates the contractions of the uterus during childbirth. what is this hormone?

What causes the phospholipids to organize themselves the way they do

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?