Waec Model Questions Vol1 2017 Biology Question 19
Practice objective / multiple choice question 19 from the 2017 Waec Model Questions Vol1 Biology examination.
After a meal a student's blood glucose concentration rises to 180 mg dL⁻¹. Insulin secretion causes glucose uptake by cells at a rate proportional to the excess glucose above the normal fasting level of 100 mg dL⁻¹, with a proportionality constant of 0.5 min⁻¹. Glucagon secretion is suppressed, so endogenous glucose production is negligible. Assuming the rate of decrease of glucose concentration follows the differential equation dG/dt = -0.5 (G - 100), how many minutes will it take for the glucose concentration to fall to 110 mg dL⁻¹?
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About This Question
This is Waec Model Questions Vol1 2017 Biology Question 19. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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