True about estrogen production in menstrual cycle.
High-Yield Explanation
Ans (b) Only by granulosa cells(Ref: Ganong, 25th ed/p.414)Estrogen is produced only by granulosa cellsThe theca interna cells supply androstenedione to the granulosa cellsGranulosa cells convert this androstenedione to estradiol with the help of an enzyme "aromatase"