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 Plate Counts and Colony Forming Unit?
Plate counts is the most frequently used method to measure microbial numbers. The technique, however, can be used only for those microorganisms, which are able to grow and reproduce on microbial media. Here a diluted sample of microbes is dispersed over suitable nutrient agar medium. There are two ways of performing a plate count - the spread plate and pour plate technique about which we have already studied in the last practical. Look up these techniques once again. Each microorganism then produces a distinct colony. Original number of viable microorganism in a sample is then calculated from the number of colonies formed and the sample dilution used. The results are reported in form of colony forming units (CFU) per ml of the sample.
Colony forming unit/ml can be expressed as:
CFU/ml = (No. of colonies formed * dilution factor) / Volume Sampled
is naegleria found in air
The specific immune (defense mechanisms) response can be broadly classified into two types: a) Cell mediated immune response: This is achieved through large number of acti
Composition of agar Agar we learnt consists of a mixture of agrose and agropectin. Agrose has a linear polymer structure consisting of alternating D-galactose and 3,6-anhydro
Implant surface affect Osseointegration Surface topography is critical as rough surfaces produce better bone fixation as compared with smooth surfaces, and osteoblast like cell
Define Anaerobic Exercise or Energy System? Thus, exercises which are done for short bursts of time lasting only for few seconds (less than 120 sec) use only anaerobic system o
Adaptive Radiations The organisms all the time tend to establish harmony with their environment. This process, called adaptation, enables the organism to face the vagaries of
Two typical characters of the Hemichordata that can be observed and used to identify them are: i) Soft, worm-like or short unsegmented body. ii) Body is divided into a (i) pr
Q. What is visual accommodation? Visual accommodation is the phenomenon of varying the curvature of the crystalline lens to make possible the difference of its refractivity to
Question 1 How would you perform prothrombin time (PT) test? What are the precautions to be taken while performing the test to avoid errors? List various factors that affect the a
You observe the following numbers of individuals of each genotype in a population: AA 700 Aa 200 aa 100 a.) what are the observed genotype frequencies in this populaiton?
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