SharpkopLife Sciences P1 · Human reproduction
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The table shows the levels of two hormones in the blood of a healthy woman over one 28-day menstrual cycle.
Day 2 | Oestrogen 50 pg/mℓ | Progesterone 0,20 ng/mℓ
Day 6 | Oestrogen 65 pg/mℓ | Progesterone 0,04 ng/mℓ
Day 9 | Oestrogen 260 pg/mℓ | Progesterone 0,04 ng/mℓ
Day 12 | Oestrogen 310 pg/mℓ | Progesterone 0,04 ng/mℓ
Day 14 | Oestrogen 150 pg/mℓ | Progesterone 2,8 ng/mℓ
Day 18 | Oestrogen 115 pg/mℓ | Progesterone 13,0 ng/mℓ
Day 21 | Oestrogen 85 pg/mℓ | Progesterone 14,5 ng/mℓ
Day 24 | Oestrogen 68 pg/mℓ | Progesterone 4,8 ng/mℓ
Day 28 | Oestrogen 60 pg/mℓ | Progesterone 0,7 ng/mℓ
2.2.21 mark
Name the hormone from the pituitary gland whose level starts to rise towards the end of the cycle, from day 24, in the table above, so that a new follicle can begin to develop.
NSCBased on Nov 2024 · Paper 1 · Q2.2.2
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