Gce Model Questions Vol1 2017 Biology Question 42
Practice objective / multiple choice question 42 from the 2017 Gce Model Questions Vol1 Biology examination.
A simplified endocrine model for follicle‑stimulating hormone (FSH) operates as follows: each day the pituitary secretes a basal 10 units of FSH; the current FSH level is then reduced by 20 % due to negative feedback from estrogen; and each unit of FSH present during the day stimulates the ovary to produce 0.5 units of estrogen. Starting with an initial FSH level of 10 units and zero estrogen, what is the FSH level at the start of day 4 (rounded to two decimal places)?
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This is Gce Model Questions Vol1 2017 Biology Question 42. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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