2. The purpose or heat rising·“means a T speed up the To kill the microorganisms

Question

2. The purpose or heat rising·“means a T speed up the To kill the microorganisms in the smea 3. Which staining technique is best used to observe a Simple stain Negative stain d. Smear 4. Why do we stain cells? a. b. e. To make them pretty To enable us to visualize them To kill them d. (b) and (c) O e All of the above s. Which organisms can be observed by simple stains? b. Bacilus e. All of the above d. Staphylococcus charged chromophore that does not penetrate the cell but rather ist Positive stains have a negatively the similarly charged bacteria cell 6. a. True b. False 7. Use of a single stain to color bacterial cells is commonly referred to as a. Differential stain b. Negative stain c. Simple stain f. Gamma hemolytic d. Capsule stain e. Gram stain 8. Which stain can be used in a negative stain? a. Nigrosin b. India ink c. Methylene blue d. (a) and (b) only e. all of the above 9. Which stain can be used in a simple positive stain? d. All of the above a. Nigrosin b. India ink c. Methylene blue 10. Smears are only used for simple stains. b. false a. True

Explanation / Answer

Use of a single cell to stain bacterial cells is commonly reffered as Simple stain.

Which stain can be used in a negative stain?

Nigrosin and India Ink are negative stain and methylene blue is a positive stain. Negative stain background leaving behind bacterial cells and positive stain used for organs staining.

Which stain can be used in a simple stain?

Methylene blue is a simple stain.

Smear are only used for simple stain.:- True

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