Über mikroskopisch kleine, regulierbare Poren in ihrer Außenhaut können Pflanzen Kohlendioxid aufnehmen und Wasserdampf abgeben. Die Poren bestehen aus zwei Schließzellen: Wenn diese sich ausdehnen, öffnet sich die Pore (kleines Bild).
Fotos: Lehrstuhl für Molekulare Pflanzenphysiologie und Biophysik, Uni Würzburg
(1640 KB, 2195 x 1755 pixels)
In regard to the use of pictorial material: use of such material in this press release is remuneration-free, provided the source is named. The material may be used only in connection with the contents of this press release. For pictures of higher resolution or inquiries for any further use, please contact the Press office publishing this directly.
Journalists accredited with idw can now access the contact details and information of many hundreds [...]
The Science Year 2025 of the Federal Ministry of Education and Research (Bundesministerium für Bildung [...]
You can combine search terms with and, or and/or not, e.g. Philo not logy.
You can use brackets to separate combinations from each other, e.g. (Philo not logy) or (Psycho and logy).
Coherent groups of words will be located as complete phrases if you put them into quotation marks, e.g. “Federal Republic of Germany”.
You can also use the advanced search without entering search terms. It will then follow the criteria you have selected (e.g. country or subject area).
If you have not selected any criteria in a given category, the entire category will be searched (e.g. all subject areas or all countries).