In the human female primary oocytes remain in meiotic prophase until puberty. One egg each month undergoes further changes during the month menstrual cycle. B. Ovum maturation 1. Rapid increase in cell size 3. Important for sperm binding 4.
Nuclear membrane is porous b.
Golgi apparatus forms cortical granules 7. Mammalian egg contains lipid droplets and glycogen granules 8. Protein yolk made in maternal liver and transported in b. Primary ovum is not transcriptionally active, but nurse cells are, moving RNA down an electrochemical gradient to ovum. Morphological changes that herald meiosis.