Bacteria and other prokaryotes are found deep underground, in water, and in the air. One micron (10-6 m) is a typical length scale associated with these microbes.
(a) Estimate the total number of bacteria and other prokaryotes in the biosphere of the Earth. (Assume the bacteria are found to a depth d = 1000 m below Earth's surface, and that there are an average of 100 bacteria in every 1 mm3 of volume.)
(b) Estimate the total mass of all such microbes. (Assuming a bacterium is basically composed of water.)


Bacteria and other prokaryotes are found deep underground, in water, and in the air. One micron...
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Bacteria and other prokaryotes are found deep underground, in water, and in the air. One micron (10-6 m) is a typical length scale associated with these microbes (a) Estimate the total number of bacteria and other prokaryotes in the biosphere of the Earth. (Assume the bacteria are found to a depth d 1000 m below Earth's...
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Before leaving Alpha Centauri, you change from the shuttle to a light speed interstellar cruiser and head out deep into the galaxy to visit another binary star system - but this one is composed of dead stars! To occupy your waking travel time by reading about this star system in the "Outer Space Tourbook": Stars spend most of their lifetimes undergoing nuclear fusion in their cores, which is why they give off so much light. However, when the material necessary...
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69. THE ENDOSPORE itself is might to stain_?_ color in an ACID FAST stain. (a) HOT pink (c) purple (d) green (e) baby-blue 70. All STAINS begin with a properly prepared _?_ . (a) dye (b) slide (c) smear (d) dog (e) cat 71. Which of the following is an ENDOTOXIN found in some microbes? This is results in fever, blood vessel dilation and possibly SHOCK when it is released into the human blood stream? (a) the plasma membrane (b)...
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