Diffusion is the process wherein the molecules move from a region of higher concentration to a region of lower concentration down the concentration gradient.
Does blood agar support the growth of both gram-positive and gram-negative organisms? What is responsible for antigen specificity in gram negative bacteria? Discuss how the structure of Gram-negative bacteria contributes to the ability to cause disease. ...
Greenhouse effect is a natural process that warms the Earth's surface. Water vapor, carbon dioxide, methane, nitrous oxide, ozone are greenhouse gases.
Gelatin is a protein mainly derived from animal sources; however, there are a few plant-based sources of gelatin that can be used as substitutes for traditional animal-derived gelatin. These include Agar agar Agar agar is a vegan gelatin alternative made from red algae. It has a variety of ...
If a greenish color forms around bacterial growth on a sheep's blood agar plate, we can say that the type of hemolysis this bacteria exhibits is ___. What types of bacteria can the carbohydrate utilization test and MacConkey agar be used t...
Some of the species has antibacterial action and can coagulate blood. They also act as a source of bromine. The phycocolloid agar is used in making culture media. It is also used as a thickening agent. It is obtained from gelidium. Another phycocolloid funori is used as an adhesive. A ...
However, the swab contains a mixture of Corynebacterium diphtheriae organisms and normal flora throat organisms. An ELEK test is used to differentiate Corynebacterium diphtheriae organisms from normal flora organisms also called diphtheroids.ELEK's Test Agar Plate:...
P15 What is the value of direct-from-blood culture ASTs in the study of bacterial susceptibility to antibiotics during bacteraemia?doi:10.1093/jacamr/dlac053.015OBJECTIVES. To evaluate the results obtained with direct-from-blood culture antimicrobial susceptibility tests (ASTs) for the study of ...
Is E coli a Bacillus? E coli isa gram-negative bacillusthat grows well on commonly used media. It is lactose-fermenting and beta-hemolytic on blood agar. Most E coli strains are nonpigmented. What are harmful bacteria called? Why are thegut bacteriabeneficial? The good bacteria in your dige...
Am J Dis Child 1961; 101:476–489. Google Scholar Wegner DL, Witte DL, Schrantz RD. Insensitivity of rapid antigen detection methods and single blood agar plate culture for diagnosing streptococcal pharyngitis. JAMA 1992;267:695–697. Article PubMed CAS Google Scholar Download references...