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Property Organism Value Units ID Details
Brain weight of Eurasian pygmy shrew (Sorex minutus) and sperm whale (Physeter macrocephalus) Mammals Sorex minutus 0.25: Physeter macrocephalus 9,000 grams 115167 Haug H. Brain sizes, surfaces...
Percent of white matter metabolic rate out of grey metabolic rate Mammals 50-75 % 103270 Rolfe DF, Brown GC. Cellular...
Contribution of mRNA levels in determining protein expression Mammals 10 - 40 % 111365 Li et al. (2014), System...
Fraction of RGCs (retinal ganglion cells) that projects to the ipsilateral hemisphere of the brain Mammals mice 3-5%: ferrets ~15%: human ≤~40% % 113595 Kutsarova E, Munz M,...
Number of DNA replication origins activated in each cell cycle Mammals 30,000 to 50,000 origins/cycle 108756 Symeonidou IE, Taraviras S...
Concentration of methanogenic bacteria in feces Mammals swine 10^8: human 10^7: cattle 10^6: rabbit 10^4 bacteria/g dry weight 112898 Sorlini, C., Brusa, T....
Concentration of anaerobic heterotrophic bacteria in feces Mammals human 10^11: swine 10^11: cattle 10^11: rabbit 10^10 bacteria/g dry weight 112899 Sorlini, C., Brusa, T....
Ribosome volume according to partial specific volume and molecular mass of RNA and protein Mammals 4000 nm^3 102474 Menetret JF et al., The...
Ratio between granule and purkinje cells in brain Mammals 200 to 1 in mouse: 3,000 to 1 in human Unitless 106408 Williams RW, Herrup K....
Percent body fat at birth of 15 mammalian species Mammals Figure - link % 113759 Leonard WR, Robertson ML...
Composition and energy content of milk Mammals Table - link N/A 109498 Kleiber M. The fire of...
Composition of bovine, human, goat and sheep milk Mammals Table - link N/A 102916 Handbook of Milk Composition\...
Relative brain size and nu. of neurons in brain of mouse, monkey and human Mammals Table - link N/A 106134 Fish JL, Dehay C, Kennedy H...
Diameter of megakaryocyte before it produces platelets Mammals 100 µm 106130 Patel SR, Hartwig JH...
Intracellular concentrations, without and with complex formation, of ions making significant contributions to ionic strength in red blood cells Mammals Table - link N/A 106145 Mouat MF, Manchester...
Intracellular ionic strength, without and with complex formation in red blood cells Mammals 251 without : 200 with complex formation mM 106146 Mouat MF, Manchester...
Number of neurons in hypothalamic suprachiasmatic nucleus (SCN, master clock) Mammals 10,000 to 15,000 Unitless 105963 Sahar S, Sassone-Corsi...
Degradation rates of various enzymes and proteins Mammals Table - link N/A 106165 Creighton "Proteins-structure...
Fraction of GLUT4 that is intracellular in basal (unstimulated) cells Mammals >=95 % 106251 Holman GD, Sandoval IV....
Fraction of genes that are bidirectionally transcribed Mammals >= (>70) % 103747 Carninci P, Yasuda J...