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Diffusion may be simple, whereby solutes travel through the phospholipids in the cell membrane as they have the same polarity as a lipid or are small enough to do so.Or, diffusion is faciliated and this i...
A tropism is a growth in a plant in response to a stimulus. The stimulus could be a change in the direction of light or a water source. To recap, a stimulus is a change in the environment of an organism t...
The blood in the capillary has just returned to the lungs from the rest of the body, so contains a low concentration of oxygen. The alveolus contains air that has just been breathed in by ventilation, so ...
Area of square : Base x Height.
Area of Circle: π x (Radius)2.
Looking at the diagram we are given the dimensions of the base or he...
There are 4 cases in German- Nominative, Accusative, Dative and Genitive. First you must know the gender of the noun to work out the case. Nominative is used for a person or thing which does the action of...
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