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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.
How many cells are in the average human brain? Roughly, 6 trillion are in the average human brain.
Question 1: Explain how drug approval is obtained through various Regulatory Bodies in India using a flow diagram? List out the different regulatory bodies in India L
In a properly functioning negative feedback system, the A. value of the controlled variable will always be very close to the threshold value when the system is in steady state.
What is gluconeogenesis? Highlight its significance giving any two examples Gluconeogenesis (i.e synthesis of new glucose) is the synthesis of carbohydrate from non-carbohydrat
Early human studies are normally conducted in healthy subjects to assess acute safety and, if applicable, to monitor biochemical and pharmacological responses. These studies also p
How do meiosis do in developing of new varieties of crops
What is agar-agar? Agar-agar is a sulphonated mucopolysaccharide containing mainly D-galactose, D-glucuronic acid and 3,6 anhydro L-galactose. It is derived from red sea weed e
parts involving in circulatory system
Internal structure of the heart of man Internally there are four chambers in the heart. The upper two chambers are called auricles and the lower two chambers are called vent
Explain the Estimation of Inorganic Phosphorus? Most methods estimating inorganic phosphorus use the reaction between the phosphate and an acid molybdate. The hexavalent molybd
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