Results 131 to 140 of about 1,042 (173)

Effects of Submerged Macrophytes on Demography and Filtration Rates of Daphnia and Simocephalus (Crustacea: Cladocera). [PDF]

open access: yesPlants (Basel)
Espinosa-Rodríguez CA   +6 more
europepmc   +1 more source

Bioactive Compounds from Microalgae and Cyanobacteria: Evaluation of Their Antioxidant and Antimicrobial Activities. [PDF]

open access: yesMar Drugs
de Falco B   +7 more
europepmc   +1 more source

Recovery of the cortical chloroplast layer in the green alga <i>Chara</i> after local irradiation. [PDF]

open access: yesFront Plant Sci
Hoepflinger MC   +5 more
europepmc   +1 more source

Phylogenomic insights into the first multicellular streptophyte.

open access: yesCurr Biol
Bierenbroodspot MJ   +7 more
europepmc   +1 more source
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Acetylcholinesterase Activity in Nitella

Nature, 1962
IT is generally accepted that the process of excitation starts with a localized depolarization of the conducting cell membrane. The adjacent region is then depolarized by the resultant current flow. This process repeats itself at successive points and thereby the impulse is propagated.
openaire   +2 more sources

Nitella gracilis

This chapter gives an overview of the recent state of knowledge regarding Nitella gracilis. It contains a full morphological description including identification hints and remarks on the potential risks of confusion. It also provides information on the distribution and ecology of the species in Europe and tackles potential threats.
Maciej Gąbka, Jacek Urbaniak
openaire   +3 more sources

Membrane behaviour in Nitella

Proceedings of the Royal Society of London. Series B - Biological Sciences, 1954
Abstract The effect of common inorganic ions and of plant-growth-regulating substances on the cell membrane of living Nitella is examined by introducing a micro-silver/silver chloride electrode into the cell vacuole and measuring the electrical impedance of the membrane under conditions of equilibrium.
M C, BENNETT, E, RIDEAL
openaire   +2 more sources

Bioelectric potentials in Nitella

Protoplasma, 1928
(1) Potential differences between two microelectrodes, one in the protoplasm ofNitella and one just outside the cell have been measured. (2) The potential difference increases with increase in size of the cells studied in tap water or in .001 M NaCl from 15 m. v. for a cell volume of about 0·5 mm3 to about 40 m. v.
S. C. Brooks, Samuel Gelfan
openaire   +1 more source

Nitella mucronata

This chapter gives an overview of the recent state of knowledge regarding Nitella mucronata. It contains a full morphological description including identification hints and remarks on the potential risks of confusion. It also provides information on the distribution and ecology of the species in Europe and tackles potential threats.
Maciej Gąbka, Jacek Urbaniak
openaire   +3 more sources

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