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Property Organism Value Units ID Details
Velocity of nerve impulse conduction as a function of fiber diameter Metazoa animals Figure - link m/sec 110594 Richard W. Hill, Gordon...
Fraction of the 1.9 million known recent species that are recorded as extinct Biosphere 0.04 ((799 species)) % 117269 Régnier C et al., Mass...
Fraction of insect species per taxonomic order that have contracting ranges in the UK Biosphere 30 - 60 % of species per taxonomic order 117267 Ceballos G, Ehrlich PR...
Length of Rev response element (RRE) HIV 350 bp 102598 Daugherty MD, D'Orso I...
Fraction of total organic matter that is chitinous structures Arthropods ≤85 % 115063 Tharanathan RN, Kittur...
Mean 5' UTR length Human Homo sapiens 150 bp 103819 Mazumder B, Seshadri V...
Mean 3' UTR length Fungus 200 bp 103823 Mazumder B, Seshadri V...
Diameters of axon above which spontaneous action potentials begin to appear derived by stochastic simulations Eukaryotes mammalian pyramidal cell axon 0.15: squid axon 0.3 μm 109235 Faisal AA, White JA,...
Mean 3' UTR length Human Homo sapiens 520 bp 103818 Mazumder B, Seshadri V...
Mean 3' UTR length Rodent 420 bp 103820 Mazumder B, Seshadri V...
Diameter of axon above which spontaneous action potentials begin to appear Eukaryotes 0.15 to 0.3 μm 109234 Faisal AA, White JA,...
Length scale of rapid locally restricted movements of subnuclear complexes Various 0.4-0.5 μm 104275 Görisch SM, Lichter P...
Overall H+/ATP (H+/P) ratio for oxidative phosphorylation in vivo Eukaryotes 3 unitless 110658 Brand MD, Lehninger AL....
Fraction of bivalves that went extinct during the end-Cretaceous event Mollusk Bivalvia spp. ~49 % 112754 Barnosky AD et al., Has...
Marine extinction rates for the last few million years Metazoa animals cetaceans 0.06: marine carnivores 0.04: echinoids 0.01: brachiopods 0.001 genera extinctions per million genera per year 112641 De Vos JM, Joppa LN,...
Chitin content of selected crustacean, insects, molluscan organs, and fungi Various Table - link % 115475 Tharanathan RN, Kittur...
Estimated total number of species of organisms Biosphere 3e6-5e6 Species 103931 May RM. How Many Species...
H+/P (H+/ATP) ratio during hydrolysis of added ATP a in both mitochondria and submitochondrial particles Eukaryotes 2 unitless 110657 Brand MD, Lehninger AL....
Metabolic rate (RMR [resting metabolic rate], kcal per day), body mass (kg), brain mass (g) and diet quality (DQ) for 41 primate species Primates Table - link N/A 113755 Leonard WR, Robertson ML...
Characteristics and functions of the four MS (mechanosensitive) channels, MscL, MscS, TREK-1, and Piezo involved in mechanosensation in bacteria and mammals Various Table - link N/A 112699 Peyronnet R, Tran D,...