Results
Click a row for more details
Property | Organism | Value | Units | ID | Details |
---|---|---|---|---|---|
Number of birds lost to predation by domestic cats in the USA each year according to different sources | Biosphere | Winkler et al., 80 million birds/year: Walsberg 319 - 638 | birds/year | 116947 | Kevin J. Gaston & Tim... |
Natural monthly fecundity rate | Human Homo sapiens | ~25 between ages 20 to 30: <10 after age 35 | % | 108080 | George K, Kamath MS.... |
Fluctuation in number of neurons in brain area involved in producing and recognizing song | Canary bird Serinus canaria | 40,000 in spring to 25,000 in fall and winter | Neurons | 106409 | Williams RW, Herrup K.... |
Terminal velocity of E.coli "free falling" in water - a theoretical estimate | Bacteria Escherichia coli | 0.05 (equivalent to ~50 hours to fall 1 cm) | µm/sec | 103870 | Calculation analogous... |
Intracellular buffering power | Metazoa animals | Table - link | mmol/pH/Liter | 110775 | Roos A, Boron WF (1981)... |
Vacuole-to-cell volume ratio | Budding yeast Saccharomyces cerevisiae | W303A strain 10±0.2%: BY4741 strain 7±0.2%: DDY904 strain 3–14% | % | 111977 | Chan YH, Marshall WF.... |
Diameter of lipid droplets (LDs) | Yeast | typically 300nm-1µm: in late log/early stationary phase of growth 350-450nm | N/A | 113111 | Kohlwein SD, Veenhuis M... |
In pancreatic beta cells, the tissue ATP/ADP ratio rises upon glucose stimulation from | Mouse Mus musculus | ~2-3 to ~8-9 | Unitless | 109309 | Berg J, Hung YP, Yellen... |
ADP-binding site cellular concentration | Rat Rattus norvegicus | ~0.14 | mM | 109312 | Berg J, Hung YP, Yellen... |
Usual dimensions of white blood cell on blood smear | Unspecified | 10 µm - 20 | µm | 116932 | Schmid-Schönbein GW, Shih YY... |
Duration of infection cycle | Bacteriophage N4 | 180 | minutes | 112342 | Schito, G. C. (1974).... |
Half-time of spontaneous hydrolysis of phoshpomonoester bond in neutral solution at 25°C | Generic | >500,000 years Figure - link | Years | 107209 | Wolfenden R, Snider MJ.... |
Maximum turnover numbers of some enzymes | Generic | Table - link | N/A | 105086 | Stryer et al, Biochemistry... |
Average haemoglobin concentration in healthy non-pregnant woman living at sea level | Human Homo sapiens | 13 - 14 | g/dL | 112355 | Hytten F. Blood volume... |
Average increase in plasma volume in healthy woman bearing a normal sized fetus | Human Homo sapiens | ~1250 | ml | 112358 | Hytten F. Blood volume... |
First appearance of mammals on the world stage and time when most modern mammalian species arose | Mammals | first appearance ~160Ma: most modern species arose 1.8Ma - present | million years ago (Ma) | 112853 | Ley RE et al., Evolution... |
Fraction of organic matter by weight in the Murchison meteorite | Biosphere | ~2 | % | 112448 | Schönheit P, Buckel W... |
Kinetic parameters in the large intestinal crypts of experimental animals | Rodent | Table - link | N/A | 110532 | Nicholas A. Wright, Malcolm... |
Estimated rates of beneficial mutation in E. coli & RNA viruses | Various | 1E-09 - 1E-08 | 1/genome/generation | 112769 | Perfeito L, Fernandes L... |
Yield of coenzyme Q10 | Microbes | Bacteria (E. coli) 0.45–3.63 mg/g DCW: Yeast (S. cerevisiae) 12.3 μg/g DCW | N/A | 113505 | Lee SQ, Tan TS, Kawamukai M... |