Anupama Sapkota 
What is Growth at 42°C Test? The growth at 42°C test is a presumptive identification test used to differentiate between the species of the fluorescent pseudomonas group as well as … Read more
Gelatin Hydrolysis Test Definition Gelatin hydrolysis test is a biochemical test performed as a presumptive test for the identification of Staphylococcus, Enterococcus, and other Gram-positive bacilli. Gelatin hydrolysis test is … Read more
What is the Esculin Hydrolysis Test? Esculin hydrolysis is a useful test in the differentiation of both gram-positive and gram-negative bacteria covering a broad spectrum of aerobes, facultative anaerobes, and … Read more
Deoxyribonuclease (DNase) Test Definition Deoxyribonuclease (DNase) Test is a biochemical test performed to differentiate organisms on the basis of their ability to produce the DNase enzyme. Deoxyribonucleic acid (DNA) is … Read more
Image Source: Helixitta and Christopherrussell. Endonuclease Definition An endonuclease is a group of enzymes that cleave the phosphodiester bond present within a polynucleotide chain. Endonucleases are capable of breaking the … Read more
Decarboxylase test is a biochemical test performed to differentiate members of Enterobacteriaceae on the basis of their ability to produce the enzyme decarboxylase. Objectives of Decarboxylase Test Principle of Decarboxylase … Read more
Communicable diseases definition Communicable diseases are the diseases that are caused by infectious agents and can be transmitted from an infected person to other people, animals, or other sources in … Read more
Introns Definition Introns are non-coding DNA sequences within a gene that are removed by RNA splicing during maturation of the RNA product. The term ‘intron’ represents the intragenic region which … Read more
A coagulase test is a biochemical test that is used to differentiate Staphylococcus aureus from other Staphylococci species like S. epidermidis and S. saprophyticus on the basis of the ability … Read more
Streptococcus mutans is a Gram-positive coccus that is a major inhabitant of the oral cavity and is considered a significant contributor of tooth decay and cavities. Streptococci are spherical or … Read more
