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Epigenetics is the process by which heritable changes in gene function are caused by environmental factors. These changes are not within the base sequence of our DNA but are in fact due to the chemical ta...

The different types of enzymes include DNA polymerase which catalyses the formation of the bonds between adjacent nucleotides on each strand of the double strands. It also includes DNA ligase which is res...

Glucose is a monosaccharide, meaning that it is composed of single units. This is suitable for transport through the blood stream. Glycogen, however is a polysaccharide meaning that is composed of at leas...

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...