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Property Organism Value Units ID Details
Some transcription and prevalence parameters for sea urchin embryos Sea urchin Table - link N/A 105012 Bolouri H, Davidson EH....
Calcium concentration in resting egg cell Sea urchin Lytechinus pictus 144 (±10) nM 107035 Poenie M, Alderton J...
Distance from center to center of ribosomes on polysome Sea urchin Lytechinus pictus ~135 bases 107677 Ben-Tabou de-Leon S,...
Average size of mRNA molecules in sea urchin embryos Sea urchin ~2.5 kb 107676 Ben-Tabou de-Leon S,...
Nucleosome repeat length typical of sea urchin sperm Black Sea Urchin Arbacia lixula 237 bp 111128 Robinson PJ, Fairall L...
Genome size Sea urchin Strongylocentrotus purpuratus 8.14e+8 bp 105517 Sea Urchin Genome Sequencing...
Speed of molecular motor kinesin II Sea urchin 0.4 μm/sec 108069 Scholey JM, Ou G, Snow J...
Longevity Sea urchin Strongylocentrotus franciscanus >=100 years 105519 Sea Urchin Genome Sequencing...
Number of genes Sea urchin Strongylocentrotus purpuratus 23300 unitless 105518 Sea Urchin Genome Sequencing...
mRNA elongation rate in embryo Sea urchin Strongylocentrotus purpuratus 6-9 nts/sec 105618 Ben-Tabou de-Leon S,...
diameter Sea urchin Strongylocentrotus purpuratus 0.08 mm 111381 http://www.echinobas...
Number of chromosomes Sea urchin Strongylocentrotus purpuratus 42 chromosomes 111373 Eno CC, Böttger SA, Walker...
Total calcium(2+) in frog egg African clawed frog Xenopus laevis 6.5E-09 (5E-9 to 8E-9) mol 100486 Slack C, Warner AE, Warren...
Average mRNA halflife in embryo Sea urchin Strongylocentrotus purpuratus 12.9 hours 105630 Howard-Ashby M, Materna SC...
Maximal possible rate of gene expression for any given gene Sea urchin Strongylocentrotus purpuratus 660 mRNA/hour/cell 105631 Howard-Ashby M, Materna SC...
Maternal mRNA halflives and transcript synthesis rate in embryo Sea urchin Strongylocentrotus purpuratus Table - link N/A 105629 Howard-Ashby M, Materna SC...
pH in embryos and tumor cells Metazoa animals Table - link unitless 110774 Roos A, Boron WF (1981)...
Osmolarity of sea water Biosphere 1000 mOsm/l 100802 Peter J. Russell,Stephen...
Dark respiration rate of F. vesiculosus from the Bothnian Sea and the Irish Sea Brown alga Fucus vesiculosus Table - link N/A 107950 Brinza L, Nygård CA, Dring MJ...
Density of sea water Biosphere 1.0236 g/cm^3 105169 Richard W. Eppley, Robert...