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Intraspecific variability and valuable breeding forms of birch in the Urals

, : Intraspecific variability and valuable breeding forms of birch in the Urals. Lesn. genet., selektsiya i semenovodstvo, 266-270

Following a study of the morphological variability of Betula verrucosa and B. pubescens, a series of morphological forms was isolated.


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Kuschka V.; Nuessler F.; Meyer U., 1990: A new method for quantitative sampling of the macrofauna in phytal and pelagial zones of standing waters. There are various relations between macrofauna of phytal and pelagial in standing waters. A method is presented, which makes possible integrated quantitative investigations of the macrofauna of both coenosis. For the purpose of this a cubic box is...

Kvassman, J.; Pettersson, G., 1989: Evidence that 1,3-bisphosphoglycerate dissociation from phosphoglycerate kinase is an intrinsically rapid reaction step. The steady-state kinetics of 1,3-bisphosphoglycerate formation through the action of phosphoglycerate kinase on 3-phosphoglycerate and ATP have been examined. The results show that initial velocities determined by the standard method of coupling b...

Gray, A.S.; Hawk, D.R., 1967: Significance of caries experience in preschool children aged 3 to 5. Journal of the Canadian Dental Association 33(2): 87-91

Unligil, U.M.; Zhou, S.; Yuwaraj, S.; Sarkar, M.; Schachter, H.; Rini, J.M., 2000: X-ray crystal structure of rabbit N-acetylglucosaminyltransferase I Substrate binding, mechanism, kinetics, and a new glycosyltransferase superfamily. EMBO (European Molecular Biology Organization) Journal 19(20): 5269-5280, October 16

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Cussac, D.; Schaak, S.; Denis, C.; Paris, H., 2002: alpha 2B-adrenergic receptor activates MAPK via a pathway involving arachidonic acid metabolism, matrix metalloproteinases, and epidermal growth factor receptor transactivation. We have investigated the mechanisms whereby alpha(2B)-adrenergic receptor (alpha(2B)-AR) promotes MAPK activation in a clone of the renal tubular cell line, LLC-PK1, transfected with the rat nonglycosylated alpha(2)-AR gene. Treatment of LLC-PK1-a...

Garber, C.E.; Barbour, M.M.; Malkin, R.D.; Ahlberg, A.W.; Heller, G.V., 1994: Role of endogenous opioids in the determination of anginal pain. American Journal of Cardiology 74(8): 815-817

Gatenby, A.A.; van der Vies, S.M.; Rothstein, S.J., 1987: Co-expression of both the maize large and wheat small subunit genes of ribulose-bisphosphate carboxylase in Escherichia coli. A cDNA clone for the precursor form of the small subunit of wheat ribulose-bisphosphate carboxylase has been modified to allow the expression in Escherichia coli of a mature form of small subunit that lacks the transit peptide. Synthesis of the pr...

Lockett, M.F., 1952: Demethylation of adrenaline, and methylation of noradrenaline, by suprarenal gland in vitro. Journal of Physiology 117(4): 68p-69p