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Reflexes allow you to respond to a stimuli (change in environment). A simple reflex begins with a receptor which are found in sense organs and allow you to detect the stimuli. An example of a sense organ ...

When oxygen is available- aerobic respiration takes place, when oxygen is not available- anaerobic respiration takes place. Pyruvate reacrs differently differently in these two situations.During Aerobic r...

DNA in prokaryotes can be found in the cytoplasm in a form of a free circular chromosome. Additionally, there are structures called plasmids that contain DNA as well and their functions are connected to e...

Mitochondria are organelles which are present in all cells. They are the sites for cellular respiration which provides an organism with energy.

preceded by interphase - DNA is being replicated and the two identical copies remain joined at centromere.-prophase - visible chromosomes and centrioles move to opposite poles spindle fibres develop, nucl...