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Phagocytes are large irregularly shaped white blood cells that are involved in the non-specific immune system. They have the ability to engulf and digest foreign bodies, destroying them in a process known...
Covalent bonding is between non-metal atoms and involved the sharing of electron pairs, whereas ionic bonding is between a metal and a non-metal and involves the transfer of an electron from the metal to ...
Enzymes are biological catalysts that hydrolyse chemical bonds in biological molecules, such as lipids. Enzymes are important in digestion, as they aid the absorption of molecules across the lumen of the ...
T helper cells recognise and bind to the antigen and become activated. The activated T helper cell stimulate B cells to form plasma cells that produce and release antibodies that are specific to the viral...
It goes without saying that a thorough knowledge of the subject is important. In order to be able to score all the points for the outline portion of the essay you must be able to describe and explain theo...
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