[HDquiz quiz = “1966”] Non-symbiotic nitrogen-fixing bacteria are nitrogen-fixing bacteria that are free-living soil bacteria and are not directly associated with plants. These bacteria fix […]
[HDquiz quiz = “1956”] pBR322 is a circular double-stranded plasmid widely used as a cloning vector for E. coli. The plasmid pBR322 was created at the University of […]
[HDquiz quiz = “1951”] Prokaryotes (Bacteria) possess peptidoglycan in their cell wall. They also reproduce asexually through binary fission. The protein synthesis in prokaryotes is […]
Diphtheria is caused due to the Gram +ve bacterium Corynebacterium diphtheria. The bacterium first discovered by German scientists Edwin Klebs and Friedrich Löffler in 1884. The exotoxin released […]
The correctly matched pair is AIDS virus-Reverse transcriptase. Acquired Immune Deficiency Syndrome is caused due to the Human Immunodeficiency Virus (HIV) in humans. HIV is […]
According to Gram-staining, bacteria are divided into Gram-positive or Grma-negavtive bacteria. Gram-staing mostly differentiate the architecture of cell wall and gives a positive or negative result. […]
In the prokaryotes such as bacteria, the genetic system or the genetic material consists of a single circular chromosome made up of DNA. Due to […]
Claviceps purpurea is a pathogenic fungus belonging to the family Clavicipitaceae. The fungus grows on the rye and other cereal crops. Ergotamine is a secondary metabolite/ergot alkaloid […]
Tetracyclines are bacteriostatic antibiotics and are very effective against multiplying microorganisms. Tetracycline passively crosses the bacterial membrane through porin channels and inhibits protein synthesis. Tetracycline binds to […]
The microorganism used for the production of citric acid (HOC(CO2H)(CH2CO2H)2) at the industrial level is Aspergillus niger. Aspergillus niger is a fungus belonging to the […]
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