Zobrazeno 1 - 10
of 16
pro vyhledávání: '"F.G. Brinkman"'
Autor:
E.M.M. Van Rens, F.G. Brinkman
Publikováno v:
European Journal of Teacher Education. 22:115-125
At the university teacher training institute (IDO, Vrije Universiteit, Amsterdam) student teachers who prepare themselves for a teaching career in senior secondary and pre-university education individually perform a research project as part of their
Publikováno v:
Zeitschrift für Pflanzenphysiologie. 94:11-25
Summary Sucrose density gradient centrifugation of homogenates from dormant or differentiating potato tuber tissue ( Solanum tuberosum L. cv. Bintje ) showed an increase during differentiation of peroxisomes (s. d. 1.25-1.26), mitochondria (s. d. 1.1
Autor:
F.G. Brinkman, L.J. van der Meer
Publikováno v:
Zeitschrift für Pflanzenphysiologie. 75:322-331
Summary The coenzyme-specificity of lactate dehydrogenase, malate dehydrogenase and malic enzyme from the potato tuber ( Solanum tuberosum cv. Bintje ) has been studied, since in different plant tissues the three enzymes are described to exhibit acti
Publikováno v:
Plant Science Letters. 27:29-36
To study the involvement of NAD(H) in the activation of respiration after wounding of potato tubers, redox ratios of free cytoplasmic NAD have been determined via the pyruvate/lactate and the oxaloacetate/malate couple. These ratios change after woun
Autor:
T. Sminia, F.G. Brinkman
Publikováno v:
Zeitschrift für Pflanzenphysiologie. 84:407-412
Summary Enzyme cytochemistry demonstrated catalase and peroxidase activity in cells of potato tubers ( Solanum tuberosum cv. Bintje ); catalase was localized in peroxisomes and peroxidase in the cell walls and Golgi bodies. During wound-induced diffe
Publikováno v:
Comparative Biochemistry and Physiology Part A: Physiology. 38:309-316
1. 1. The Cu uptake by Lymnaea stagnalis , from Na-containing solutions of ⋍2 × 10 +3 M Na and 5× 10 −5 M CuSO 4 causes in the kidney losses of Na and Cl of ⋍30 per cent parallel to an increase in Cu content of ⋍40 per cent. 2. 2. The water
Publikováno v:
Comparative Biochemistry and Physiology Part A: Physiology. 38:387-405
1. 1. Al, Au, Br, Cl, Cu, K, Mg, Mn, Mo, Na, Sb, Sr, Sn, V and Zn were demonstrated in parts of the gonadal system of Lymnaea stagnalis. Except for Sr and Al these elements were also present in the kidney. 2. 2. Several organs seem to possess a speci
Publikováno v:
Zeitschrift für Pflanzenphysiologie. 68:364-372
Summary After mechanical injury of potato tubers (Solanum tuberosum L. var. Bintje) the levels of NAD+, NADH, NADP+ and NADPH were determined in extracts of the tuber tissue and its mitochondrial fraction. The incubation periods after wounding varied
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