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22/06/2019

https://www.facebook.com/Bogdan.John.Vasiliu/photos/a.360271314337053/360739470956904/

The bacterial flagellum, similar in some aspects to an electric motor, is an example of a complex cellular mechanism. The rotor alone can rotate at speeds of up to 6,000 - 17,000 revolutions per minute (rpm), but with the filament attached, only at 200 - 1,000 rpm. The direction of rotation can be switched almost instantaneously. The diameter of the filament is about 20 nanometers, that is about 140 carbon atoms or 70 water molecules side by side.

The flagellum is powered by protons (H+), and sometimes by sodium ions (Na+). It is very efficient and consumes very little energy.

(Bogdan-John Vasiliu, Dialogue with a Nonbeliever, chapter 5.1.1. Complexity of Cell Machines. The image is "quoted" from Wikipedia.)

A free excerpt from "Dialogue with a Nonbeliever" is permanently available here and on other websites: https://www.smash...
21/02/2017

A free excerpt from "Dialogue with a Nonbeliever" is permanently available here and on other websites: https://www.smashwords.com/books/view/698914

This edition is only an excerpt! It includes chapters 1 thru 3 (18% of the complete edition). Chapters 4 thru 9 are missing. A Romanian bestseller, now available in English! The book is the result of more than ten years of studying the arguments for and against the theories of the Big Bang and evolu...

16/01/2017
16/01/2017

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