Gce Model Questions Vol1 2024 Biology Question 29
Practice objective / multiple choice question 29 from the 2024 Gce Model Questions Vol1 Biology examination.
A stretch reflex involves a sensory neuron that carries the signal from a muscle spindle in the calf to the spinal cord, a distance of 1.2 m, at a conduction velocity of 80 m s⁻¹. The motor neuron returns the impulse to the same muscle over a distance of 0.5 m at 60 m s⁻¹. Each synapse introduces a delay of 0.5 ms. Calculate the total time (in milliseconds) from the initial stretch to the muscle contraction.
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This is Gce Model Questions Vol1 2024 Biology Question 29. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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