Neco Model Questions Vol1 2020 Biology Question 8
Practice objective / multiple choice question 8 from the 2020 Neco Model Questions Vol1 Biology examination.
In a certain model, the length of the follicular phase (\(L_f\), in days) is inversely proportional to the average daily estrogen concentration (\(E\), in pg mL\(^{-1}\)) during that phase, expressed as \(L_f = \dfrac{k}{E}\) where the constant \(k = 140\) day·pg mL\(^{-1}\). A woman has a 28‑day menstrual cycle and her measured average estrogen concentration during the follicular phase is \(35\) pg mL\(^{-1}\). (a) Determine the length of her follicular phase. (b) On which day of the cycle does ovulation occur, assuming ovulation marks the end of the follicular phase? (c) What average estrogen concentration would be required to extend the follicular phase to \(10\) days?
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This is Neco Model Questions Vol1 2020 Biology Question 8. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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