NURSING ANM AND GNM

Detailed explanation-1: -In microbiology, streaking is a technique used to isolate a pure strain from a single species of microorganism, often bacteria. Samples can then be taken from the resulting colonies and a microbiological culture can be grown on a new plate so that the organism can be identified, studied, or tested.

Detailed explanation-2: -Inoculation is the purposeful introduction of bacteria into a sterile growth medium. A material is sterile when it has no living organisms present; contamination is the presence of unwanted microorganisms.

Detailed explanation-3: -The aerobic plate count (APC) is intended to indicate the level of microorganism in a product. Detailed procedures for determining the APC of foods have been developed by the Association of Official Analytical Chemists (AOAC) (3) and the American Public Health Association (APHA) (1).

Detailed explanation-4: -One very important method in microbiology is to isolate a single type of bacteria from a source that contains many. The most effective way to do this is the streak plate method, which dilutes the individual cells by spreading them over the surface of an agar plate (see Figure 2).