The questions are about nanotechnology, answer the questions in a short answer based on the paper provided (focus on the supplemental information in the paper to answer the questions)

  1. How many microtubules are in the human body? (Give an approximate answer)

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  1. What is the computing power of a PC?

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  1. Considering a biocomputer of the type suggested by Nicolau et al., how many microtubules would be needed for a device to be able to have the same computing power than with a PC?

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  1. Is the number of required microtubules the bottleneck in the design of biocomputers of the type suggested by Nicolau et al.?

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