Numbers (biology)

have fun ig (exponents with e (10^10 = 10 e 10))

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Last updated: January 7, 2026

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Hint	Answer
Annul amount of CO2 fixation via CBB cycle in tons	2-4*10e11
Occurence first eukaryotes in billion years	1.5-2
Occurence first cells in billion years	4
# Cells in human body	10e13
Modern human in thousand years	200
% Marine contribution to global carbon fixation	45
# Bacteria on earth	10e30
Bond Strength (kj/mol) Ionic bonds	100-1000
EN Sulfur	2.6
EN Carbon	2.5
EN Nitrogen	3.0
% terrestrial contribution to global carbon fixation	55
# Bacteria in human intestines	10e13
Bond Strength (kj/mol) VdW interactions	0.4-4.0
Oxygenation of earth in billion years	2.5
Bond Strength (kj/mol) Covalent single bonds	200-500
Bond Strength (kj/mol) Hydrogen bonds	10-40
% Dry cell mass in carbon	50
EN Oxygen	3.5
First animals in billion years	0.5
Formation earth in billion years	4.57
% Dry cell mass in protein	55
% Energy waste by photorespiration	25-30
EN Hydrogen	2.1

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