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Explain the Gram Staining technique?
Gram staining is a differential staining procedure which divides bacteria into two groups: Gram positive and Gram negative, based on staining properties. The gram stain was developed in 1884 by the Danish Physician, Dr. Christian Gram. It is one of the most important and widely employed staining procedure in bacteriology.
It is very useful and is almost essential in identifying an unknown bacteria. The basis of gram staining is the difference in cell wall composition of two types of bacterial cells. Gram positives have thick cell wall, made up of multi-layered peptidoglycan with extensive cross-linking. On the other hand, gram negative cell wall has a very thin peptidoglycan layer surrounded by outer lipid rich outer membrane. There is no outer membrane in case of gram positives. This difference in cell wall leads to decolourization of gram negatives but not gram positives by decolourizing agent i.e., ethanol or acetone.
Explain about the Classification of Fungi? The fungi, as you may recall reading above, is now placed in a separate kingdom called Myceteae. Traditionally, fungi were divided in
Hazard identification We start the process of risk assessment by first identifying the hazard. The goal of hazard identification is to identification potential adverse hea
Determine Push-ups Test for check the Body Strength? Push-ups is another test done to measure muscular strength, as well as, endurance and done on a parallel bar. The subject
What are the complementary base-pairing rules for biology? In DNA, Adenine bonds with Thymine, Cytosine bonds with Guanine. In RNA, Thymine is changed with Uracil (bases capita
Definition of Epileptic seizures Epileptic seizures are classified as symptomatic seizures if they can be identified with a specific cause, such as infection, trauma, tumor, va
Thiazide diuretics have been accepted as the primary foundation of antihypertensive therapy. The basis of this choice is that, apart from their primary hypotensive effect, they enh
Tertiary Butylhydroquinone (TBHQ) TBHQ is moderately soluble in oil and slightly soluble in water. In many cases, TBHQ is more effective than any other antioxidant in providing
Indications for Surgery: In a mixed lesion, either regurgitation or stenosis may be dominant and decision of surgery depends on the haemodynarnics. At the time of surgery on othe
It corresponds to the anterior and inferior interventricular grooves. Its right side is convex and bulges to the right ventricle. The septum has a posterior border which separates
what arr the economic importance of phylum protozoa
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