All the cells in a multicellular organism are the same. True or False

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

What is gene expression control that occurs after the generation of rna