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7.2 Reproductive hormones

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Question 12

Artificial versions of oestrogen and progesterone are added to a computer model of the menstrual cycle. FSH and LH are released by a simulated pituitary gland. The model predicts that no follicle reaches maturity and ovulation does not occur.

Which change in hormone release from the simulated pituitary gland is caused by the artificial hormones and leads to both predictions?

[1]
A

less FSH and more LH are released

B

more FSH and less LH are released

C

more FSH and more LH are released

D

less FSH and less LH are released

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7.2 Reproductive hormones Questions

  1. GCSE
  2. /Biology
  3. /7.2 Reproductive hormones

90 exam-style questions on Edexcel GCSE Biology 7.2 Reproductive hormones, covering 7.2.1 Stages of the menstrual cycle, 7.2.2 Hormonal control of the menstrual cycle, 7.2.3 Hormonal contraception, 7.2.4 Evaluating contraception methods, and 7.2.5 Hormones in Assisted Reproductive Technology. Each one has a worked solution and a mark scheme showing where the marks go.

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