THE MICROSCOPE EXPERIMENT – 1 BACKGROUND: The use of a microscope is to provide a magnified view of objects (that are being analysed) that are otherwise to small to be seen by the naked eye. They can be described according to their illumination and lens arrangement. (i) Microscopes are able to use either light or electrons as their illumination source, which are respectively known as light powered and electron microscopes. (ii) Monocular microscopes have a single eye …showed first 75 words of 2708 total…

…showed last 75 words of 2708 total…sieve tubes that extend leaves to roots. These take their name from the tiny, sieve like pores in their walls and the larger pores called sieve plates that separate one member from another. Pores provide for the horizontal and vertical movement of the sugar – rich sap that slowly moves down from the leaves, supplying energy, and elements to all plant tissues. Large parenchymal cells called pith may also be associated with the vascular cylinder phloem.