Why should you filter some liquids for sterilization, rather than autoclaving them?

Q: What are the disadvantages of doing a total microbial count by examining wet mounts under the…

A: Ans- Wet mounts have the following drawbacks: The benefit of being able to observe movement can also…

Q: If lysozyme is added to a microbial culture. Predict what will be observed if the culture is…

A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…

Q: Which of the following would you most expect to find in a fecal contaminated water sample?…

A: Water pollution is described as the fouling of bodies of water. Water pollution occurs when rivers,…

Q: What is the difference between the pour plate method and the spread plate method? Why might you…

A: Standard plate count method is a growth based approach that counts the number of living…

Q: You are hired in one of the microbiology labs in Memphis and your first assignment to identify…

A: The last reagent used in Gram staining, which is crucial for differentiating between Gram-positive…

Q: When is sterilization by filtration preferred over sterilization by heat? Why? What makes heat an…

A: Answer :- 1)Filteration is the sterilization process wherein there is the physical removal of…

Q: Llamas

A: Llamas are the type of domestic animals. They dominated the area of the highlands of the Andes in…

Q: Why is it desirable that most cultures be inspected after 15 to 18 hours of incubation?

A: Introduction Microbial culture is a microbiological technique that involves actively multiplying…

Q: Write a paragraph explaining the Gram stain result and the differences in the endospores of these…

A: The Gram staining procedure is used to classify bacterial species into two broad groups namely…

Q: Which of the following media selects for gram negative bacteria by inhibiting the growth of gram…

A: Selective media:- it usually allow the growth of a particular microbe and inhibit the growth of…

Q: You collected a sample from a patient with a suspected STI. After Gram staining, you observed this…

A: The staining of bacteria is an important method of classifying the bacteria There could be multiple…

Q: With liquid media such as broth, is it possible to determine if the culture is pure using the naked…

A: A culture is a method by which microbes are allowed to reproduce and multiply in predetermined…

Q: How might a synthetic detergent be superior to a normal soap?

A: INTRODUCTION - Soaps are  sodium or potassium fatty acid salts made from hydrolysis of fats in…

Q: Kitchen cloths and sponges must be washed thoroughly after use and left to dry before using again.…

A: Kitchen cloths and sponges must be washed thoroughly after use and left to dry before using again.…

Q: Why does UV light have to be directly exposed and waved around an object that needs to be…

A: Ultraviolet (UV) radiation is a part of electromagnetic spectrum that lies between X- rays and…

Q: Can an object be considered clean with bacteria on it?

A: Bacteria are the prokaryotic organism. They have nucleoid in place of well defined nucleus.