Microorganisms are very tiny organisms that can only be seen in detail using a microscope. Many microorganisms are unicellular which means they exist as a single cell. Examples of microorganisms ...

These microscopes use visible light and one or ... To study the kDNA structure, scientists used topoisomerases (enzymes that make specific cuts in the DNA) to decatenate the rings.

and on the right with the transmission electron microscope. Cytoplasm Where enzymes and other proteins are made. Location of reactions in anaerobic respiration. Nucleus Contains DNA which carries ...