A mitochondrion that is 1 m long can travel the 1 meter length of the motor axon
ID: 1451290 • Letter: A
Question
A mitochondrion that is 1 m long can travel the 1 meter length of the motor axon from the spinal cord to the bid toe of a human male in one day. The current world record for men’s short course 200 meter freestyle swimming is 1 minute 41.08 seconds and is held by American swimmer Ryan Lochte. Assuming Ryan Lochte is 2 meters tall, who moves faster in terms of body lengths per day: Ryan Lochte or the mitochondrion? How many body lengths that each cover per day? How much faster is the faster of the two?
Explanation / Answer
For, A mitochondrion speed in terms of body lengths per day = (1/1) * 106 body lengths per day
= 106 body lengths per day
For, Ryan Lochte speed in terms of body lengths per day = (200 * 86400/101.08) * 1/2
= 85476.85 body lengths per day
=> A mitochondrion moves faster in terms of body lengths per day .
=> Ryan Lochte covers 85476.85 body lengths per day .
=> A mitochondrion covers 106 body lengths per day .
=> A mitochondrion moves faster by a factor of = 106/85476.85 = 11.7
=> A mitochondrion moves 11.7 times faster than Ryan Lochte .
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