S.N Anthrax Bacilli S.N Anthracoid Bacilli 1. All are non-motile. 1. Generally, are motile. 2. Presence of capsule. 2. Absence of capsule. 3. Growth occurs in long chain form. 3. Growth occurs in short chain form. 4. Medusa head colony in nutrient agar. 4. Medusa head colony absent. 5. Growth in penicillin agar is not … Read more
A) Diamagnetic Substances and its characteristics Diamagnetic substances are those substances which, in their normal states, have no magnetic moment at all. Antimony, Bismuth, Copper, Gold, Mercury, water, alcohol, Hydrogen are diamagnetic substances. Characteristics They are feebly repelled by magnet and magnetic field. When placed in a magnetic field, they all are weakly magnetized in … Read more
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
Introduction to Interferons Interferons are low molecular weight protein, produced by virus infected cells. These, itself induces the formation of a second protein inhibiting the transcription of viral mRNA. These are produced by the host cell in response to the virus particle, viral nucleic acid and non-viral agents. Non-viral agents include synthetic polynucleotides such as … Read more
S.N Unicellular organisms Multicellular organisms 1. Made up of single cell. Made up of several cells. 2. There is no division of labour. There is division of labour. 3. Comparatively larger in size. Smaller in size. 4. Unable to exhibit wide range of different functions. More efficient and carries out a number of activities. 5. … Read more