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Explain Procedure for Spore Staining in a Given Bacterial Culture
Carry out the exercise following the steps enumerated herewith
1. Take a clean, non-greasy slide. Prepare bacterial smear by taking a small amount of culture and mixing it with a drop of water on a slide. Spread it in a rounded manner.
2. Air dry and heat fix the smear.
3. Keep the slide on a beaker having boiling water. Flood the smear with malachite green and allow the steam to pass through it for 4-5 minutes. Replenish the stain if it starts evaporating and drying.
4. Remove the slide from the beaker and allow it to cool.
5. Decolourize the smear by washing slowly under running tap water.
6. Counter stain the smear with safranin for 30 seconds.
7. Wash the slide again with tap water.
8. Blot dry the slide with blotting paper and observe under oil immersion.
Antiviral activity
Prophylaxis Many experts recommend that sexually assaulted adults and adolescents be given treatment to prevent sexually transmitted infections, including therapy for gonorrhea
Do moulds grow better where it is dark or light? This time leave one culture dish in a warm place where it receives light all the time. Place the other dish in a warm dark plac
You have identified a protein in a cell that you know that comes from the human body. With respect to that protein you have also determined that it allows sodium ions to go through
Biochemical Changes Many workers have tried to follow the biochemical changes that precede flowering and result in meristems which give rise to flowers instead of vegetative s
Gills - Respiration Gills are highly vascularised extensions of gas exchange membranes. The simple type may be extension of the body surface as in sea-slugs, sea stars and ma
Techniques: operation is done under general endo tracheal anaesthesia. Patient is positioned with the left chest tilted up using a sand bag under left chest. Left antero latera
What is Risk Risk : A function of the probability of an adverse effect and the magnitude of that effect, consequential to hazard(s) in food.
That is eutrophication? Explain with reference to aquatic ecosystem. or Name any two source organisms of agar. List any four areas in which agar has wide application.
The Family Nutrition Approach This involves relatives/family who live in the client's household; in assisting the client to make necessary dietary changes to prevent or to
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