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Property Organism Value Units ID Details
Velocity of action potential in claw nerve axons Crayfish Cambarus fast-closer axon 20: slow-closer axon 10: opener axon 8 m/s 108963 Bullock TH, Horridge...
Velocity of action potential in sciatic nerve single nodal fiber Frog Rana 31 m/s 108964 Bullock TH, Horridge...
Velocity of action potential in sciatic nerve Frog Rana A fibers 14-50: B1 fibers 8-16: B2 fibers 3-4.5: C fibers 0.3-0.8 m/s 108965 Bullock TH, Horridge...
Fixed membrane capacitance Rat Rattus norvegicus 0.88 to 0.9 μF/cm^2 109244 Faisal AA, White JA,...
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,...
Velocity of molecular motor KIF2 in vitro Mouse Mus musculus 0.47 (±0.11) µm/sec 106480 Noda Y, Sato-Yoshitake R...
Propagation speed of action potential Various <=1 unmyelinated axon: 50 to 100 myelinated axon m/sec 107125 Zalc B. The acquisition...
Duration of synaptic transmission at fast synapses Human Homo sapiens <= (<1) ms 102698 Greengard P. The neurobiology...
Ion Concentration Ratios, Calculated Equilibrium Potentials, and Measured Transmembrane Potentials Various Table - link N/A 104083 Stein, Wilfred D., Litman...
Speed of virion along microtubule in A549 epithelial carcinoma cell Human Homo sapiens 2.2 (±0.2) µm/sec 106126 Leopold PL, Kreitzer G...
Speed of transport of organelles or vesicles along microtubules Unspecified 1 μm/sec 104711 Arhel N, Genovesio A...
Mean anterograde velocity of Unc-104::GFP Fruit fly Drosophila melanogaster 1.05 (±0.08 Table - link) µm/s 106476 Barkus RV, Klyachko O...
Absolute minimum ATP cost of an Action Potential Unspecified 1e+6 molecules of ATP per square cm of membrane 104236 Aiello GL, Bach-y-Rita...
Reaction sequence and timing of synaptic transmission Rat Rattus norvegicus Figure - link N/A 111281 Sudhof TC. The synaptic...
Velocity of nerve impulse conduction as a function of fiber diameter Metazoa animals Figure - link m/sec 110594 Richard W. Hill, Gordon...
Average actin filament length Yeast in isolated actin patches 50nm: in patches on plasma membranes 100nm nm 111093 Berro J, Sirotkin V,...
Doubling time in host Bacteria Buchnera aphidicola 175 – 292 hours 115546 Gibson B, Wilson DJ, Feil E...
Ionic concentrations in resting frog muscle Frog K+ 141mM: Na+ 9mM: Cl- 2.2mM: total inorganic phosphate 1.4mM: free Ca2+ 52nM: free Mg2+ 0.8mM N/A 115776 Theillet FX et al., ...
Representative electrolyte concentrations in animal cells Eukaryotes Table - link N/A 105834 Harold, F. M. The Vital...
Diameter and Volume of the eyeball in Selected Animals Eukaryotes Table - link N/A 104072 Amazing numbers in biology...