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It moves up through a process known as transpiration. This is when water leaves the through the stomata, creating a negative hydrostatic pressure which pulls the water up through the xyle...
Firstly it's important to distinguish that photosynthesis and transpiration are two different processes. Photosynthesis is the process used by plants to convert carbon dioxide and water into gucose and ox...
The first stage of meiosis is Prophase 1, where the homologous chromosomes pair up and spindle microtubules grow from each pole to the equator around the nucleus. The next stage is Metaphase 1, the nucleu...
The active transport of hydrogen ions out of the companion cells using ATP creates a hydrogen ion gradient.This causes the facilitated diffusion of H+ ions back into companion cells. This occur...
The reflex arc is activated to create a rapid response in order to maintain safety. It is an innate, automatic response to a dangerous stimulus.
It involves 3 neurones. A sensory neurone, a motor n...
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