In a negative feedback system for glucose regulation, what is the "effector" when blood glucose levels are too high? A. The pancreas (secreting insulin) B. The brain C. The kidneys D. The muscle cells (absorbing glucose) Public Assessment of the HKDSE Biology Examination
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Past papers and mock exams are critical for mastering exam techniques and understanding the marking scheme . Mock Exam Paper 1 transport in humans and plants
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