Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Define the Utilization of Most Probable Number Techniques?
The MPN technique (multiple tube technique) can be used to determine the presumptive coliform count in the food. The sample is homogenized adequately and decimally diluted in saline solution or peptone water. Measured portion (e.g. 1 ml) of the solution and dilutions is transferred into multiple tubes (3 or 5) of selective and differential medium e.g. LST and incubated at 35°C for 48 hours.
Production of gas in inverted Durham tube by lactose fermentation indicates coliforms. By using standard MPN tables, as given herewith, MPN/ml or MPN/g of food samples is derived from number of positive tubes at 3 successive dilutions.The method was given by Mc Crady in 1915 and is statistically based. Three tubes or five tubes method can be used by inoculating 3 serial dilution of the sample into 9 or 15 tubes of appropriate medium respectively. The number of organisms in the original sample is determined by using standard MPN table as we have already studied in the last practical.
Define the Bacillus cereus Bacillus cereus is not a common cause of food poisoning. It is a Gram positive, aerobic, spore forming rod shaped bacteria normally present in soil,
the appendages of arthropods; a. may serve as walking legs, b. may be modified into atennae, c. may be modified into large pincers, or d. all of the above
Q. In what order should Personal Protection be removed? Personal protection is removed in following order: Gloves Mask Glasses Wash hands
Width of the Periimplant keratinized Mucosa Clinical and experimental studies have failed to support the concept of an "adequate width" of keratinized tissue adjacent to natura
how do humans reproduce?
A 21-year-old woman presents with a 3-month history of malaise, joint pain, weight loss, and sporadic fever. Her temperature is 38°C (101°F). The serum antinuclear antibody (ANA) t
Determine amount of intracellular potassium ions in neuron A Neuron A is a healthy neuron with all the usual ion channels. When at rest with a membrane voltage of R millivolts
Q. What are the Signs used in acute pericarditis? • Pericardial friction rub is pathognomonic of pericarditis. It is heard as a phasic scatching sound. It may vary with phases
Q. What is the usual shape of poriferans? Sponges have bodies in the form of globes or tubular vases open in the upper extremity. They have a porous walls and internal central
You have two enzymes, 1 and 2. Both convert substance A into substance B. 1 is inhibited by B, because B partially blocks the active site and will not allow more A to enter. 2 is i
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd