What is the spore strip

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1. WHY bacillus subtilis had a growth and was resistant to moist heat method? EXPLAIN

2. Why E.coli was not resistant to moist heat method?

3. To which antibiotics was the M. luteus: most sensitive?

4. To which antibiotics was the E. coli most sensitive?

5. The autoclave sterilization cycle is usually selected so that bacterial endospores are killed. Why is it so important to kill endospores? Did the 15 min cycle kill the endospore strip placed in the large mass of material? If not, why not?

6. What is the spore strip? What is its role in sterilisation?

7. In what circumstances and for what types of equipment should heat sterilisation be used?

8. When would U.V. sterilisation be used? Include examples in your answers

Reference no: EM132687651

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