They provide the immune system with "memory" against previously encountered pathogens.
T memory cells are necessary for protective immunity against invading pathogens
<span><span><span>The experimental method is usually taken to be the most scientific of all methods, the 'method of choice'.</span><span> </span><span> </span><span>The main problem with all the non-experimental methods is lack of control over the situation.</span><span> </span><span>The experimental method is a means of trying to overcome this problem.</span><span> </span><span> </span><span>The experiment is sometimes described as the cornerstone of psychology</span>
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“I don't feed the birds because they need me; I feed the birds because I need them.” “Feeding birds means feeding yourself! Birds are part of nature and feeding nature is nothing but feeding yourself!”
Condensation is the process of merging the monomers into polymers that lead to the removal of water.