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The diagram shows changes in the thickness of the uterus lining during one menstrual cycle and the level of one hormone involved - Edexcel - GCSE Biology - Question 3 - 2015 - Paper 1
Question 3
The diagram shows changes in the thickness of the uterus lining during one menstrual cycle and the level of one hormone involved. (i) Complete the sentence by putti... show full transcript
Worked Solution & Example Answer:The diagram shows changes in the thickness of the uterus lining during one menstrual cycle and the level of one hormone involved - Edexcel - GCSE Biology - Question 3 - 2015 - Paper 1
Step 1
Complete the sentence by putting a cross (✗) in the box next to your answer. This hormone causes the uterus lining to thicken.
Answer
The hormone that causes the uterus lining to thicken is B oestrogen. Oestrogen is primarily responsible for the regeneration of the endometrium following menstruation.
Step 2
Complete the sentence by putting a cross (✗) in the box next to your answer. In this menstrual cycle ovulation is most likely to occur on
Answer
Ovulation is most likely to occur on C day 14 of the menstrual cycle, which typically falls around the midpoint of the cycle, correlating with the peak in hormone levels.