Antigenicity is the ability to combine specifically with the final products of the responses i.e. secreted antibodies and/or surface receptors on T cells. All molecules having the property of immunogenicity also have the property of antigenicity but the reverse is not true. Some small molecules are antigenic but they are not able to induce a … Read more
The five kingdom system of classification was proposed by R.H Whittaker in 1969. This classification is based on following criteria: Complexity of cell structure- prokaryote and eukaryote. Complexity of organism’s body- unicellular and multicellular. Mode of obtaining nutrition– autotrophs and heterotrophs. Life style i.e. producers, consumers and decomposers. Phylogenetic relationship. The five kingdoms are Monera, … Read more