25 Result(s)
within
William J Lucas
Agriculture
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Article
Sugar uptake into Allium cepa leaf tissue: an integrated approach
Allium cepa L. leaves were subjected to enzymatic (pectolyase) and mechanical manipulation in order to ascertain the contribution made by various leaf tissues to the total sugar uptake by the leaf. In order to d...
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Article
Ultrastructural and histochemical studies on guard cells
Serial thick sections of guard cells from Vicia faba L., Nicotiana tabacum L., Allium cepa L., Zea mays L. and Beta vulgaris L. were obtained systematically (600–800 nm) and viewed with the transmission electron ...
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Article
Mechanism of acquisition of exogenous bicarbonate by internodal cells of Chara corallina
Electrophysiological measurements on internodal cells of the alga, Chara corallina Klein ex Willd., em. R.D.W., showed that the potential across the plasmalemma was sensitive to the level of exogenous HCO ...
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Article
The relationship of the charasome to chloride uptake in Chara corallina: physiological and histochemical investigations
A possible role of the charasome in terms of chloride transport into Chara corallina Klein ex. Willd., em. R.D.W. is examined. The branches of Chara contain the most charasome material and are shown to be very ef...
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Article
HCO 3 - and OH-transport across the plasmalemma ofChara
Internodal and whorl (branch) cells of the green alga,Chara corallina Klein ex Willd., em. R.D.W., were studied with the extracellular vibrating probe for measuring transmembrane ion currents, and with an extrace...
