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What is Quantitative Techniques?
Microbial quality of substances like food, milk, air, water, soil etc. can be assessed both qualitatively and quantitatively. Quantitative enumeration of microorganisms in a given sample can be accomplished in a laboratory by employing various methods, either by direct or indirect counts, each having its own advantages and disadvantages. No single method is always best. The most appropriate approach will depend on the experimental situation. These methods can also be used to measure microbial growth, determining growth rate and generation time. These methods devised for microbial quantitation either measure the cell numbers or determine the cell mass or cell constituents like DNA, protein, O2 uptake, carbon dioxide production, turbidometric measurement for increase in cell number, membrane filter count and the serial dilution agar plate method etc. Microbial populations are very large, therefore, most of the methods of counting are based on direct or indirect counting of a very small sample, achieved indirectly by a series of dilutions. Calculations then determine the size of total population.
Nonsurgical retreatment (secondary endodontic ttt ) -Is the main difference between primary endodontic disease versus post treatment disease is the need to Regain access to
(i) Name one fibrous and one globular protein. fibrous globular (ii) Outline the difference in structure between a fibrous and a globular protein. ' shows the ef
In this unit you have learnt that heart failure is one of the most common conditions seen and results in a high mortality. It can result from failure of the heart muscle as with co
Explain about the forces acting on a gravity retaining wall. Forces Acting on a Gravity Retaining Wall: In a general way the forces that act on a gravity retaining wall. The
The digitalis glycosides are the only orally active positive inotropic agents currently available. The positive inotropic occurs through inhibition of the enzyme Na + -K + -ATPase
Locomotor Organelles The protozoan locomotor organelle may be Flagella, Cilia or Pseudopodia. These are of considerable value in classification of protozo
evolution of metazoa
Describe Paradoxical and Reverse Split S in second heart sound? Sequence of seminar valve closure reversed i.e. P, proceeds A. A reversed split is nearly always due to delayed
Reduction of NADP+ occurs during what?
Explain Diabetic diets Diabetic diets : There are therapeutic modification in the quantity1 quality of various macronutrients particularly carbohydrates.
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