Multiple Choice
During which phase of the cell cycle does the cell prepare for cell division?
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11. Cell Division
Introduction to the Cell Cycle
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Which event occurs on about day 14 of the ovarian cycle?
A
Ovulation
B
Corpus luteum formation
C
Follicle recruitment
D
Menstruation begins
Verified step by step guidance1
Understand the ovarian cycle: The ovarian cycle is divided into three phases—follicular phase, ovulation, and luteal phase. These phases are regulated by hormonal changes.
Focus on day 14: Ovulation typically occurs around day 14 of a standard 28-day cycle. This is the release of a mature egg (oocyte) from the dominant follicle in the ovary.
Identify the hormonal trigger: Ovulation is triggered by a surge in luteinizing hormone (LH), which is preceded by a rise in estrogen levels produced by the growing follicle.
Differentiate the options: Corpus luteum formation occurs after ovulation, follicle recruitment happens during the follicular phase, and menstruation begins at the start of the cycle (day 1).
Conclude the correct event: Based on the timing and hormonal regulation, ovulation is the event that occurs on about day 14 of the ovarian cycle.
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