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We all begin life as a totipotent single cell: the zygote. Totipotency is when a cell can differentiate into any cell line of the human body. The zygote divides repeatedly and differentiates to produce ma...

You will will automatically move your hand away in a process known as the relex arc. Your natural 'reflex'.thermal sensors in your fingers will sense the heat and send electrical impulses along your senso...

DNA is made up of a double helix with a sequence of nitrogenous bases attached; Adenine, Guanine, Cytosine and Thymine. These bases are used to code for messenger RNA, a molecule which allows for the repl...

Cells need to eat and drink, just like me and you. The process where cells ingest other cells or foreign material is called PHAGOCYTOSIS. The process itself is very complicated and you don’t need to know ...

There are several factors contributing to bacterial growth, of which these can be very specific to different types of bacteria, but in general it is as follows.Nutrients is the mos...