Catalase test is used to distinguish among Gram-positive cocci. Staphylococci are catalase-positive but Streptococci are catalase-negative.
Selective (against gram-positive bacteria) and differential culture medium (LF and NLF), commonly used for the isolation of enterics.
Bacteria can be grown in an artificial medium in the laboratory. Growth medium can be broth, agar or biphasic. Medica can be categorized based on functions.
Gram-positive bacteria retain the crystal violet-iodine complex and stain purple, whereas gram-negative bacteria stain pink.
Blood agar is an enriched medium which supports growth of gram-positive cocci and differentiates them on the basis of hemolysis (α, β, or γ).
TSI test determines whether a gram-negative rod utilizes glucose, and lactose or sucrose fermentatively and forms hydrogen sulfide.
Indoor air quality testing is the way of identifying levels of indoor contaminants and restoring good air indoors.
The structure of DNA consists of deoxyribose sugar, nitrogenous bases ( purine and pyrimidine), and phosphoric acid.
Aflatoxins are a group of 16 structurally related mycotoxins. Aflatoxin testing is done using various analytical methods.
Glass pipettes are one of the liquid handling instruments carrying utmost significance due to their precision.
Bacteria is a unicellular prokaryotic organism. The structure of bacteria consists of cell wall, plasma membrane, capsule, flagella, spores.
The mechanism of action of antiviral drugs is inactivating viruses, usually by inhibiting different stages of viral replication.
