Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 9, Problem 14CT
Summary Introduction
To answer:
The suitable membrane filters that separate bacteria from virus in the solution by a virologist.
Introduction:
Without any use of heat or chemicals, the microbes can be eliminated or controlled or stored by the means of filtration. The filters contain membranous sieves, which will entrap the microbes. The pore size of the filters will range from 0.2 µm to 2µm, which can also filter most of the viruses.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
The culture primarily contains nutrients such as sugars and a gel (agar). Why don’t viruses grow in a culture like bacteria do? Explain.
Which stain can be used to determine if bacteria are capsulated?
Question options:
flagella stain
negative stain
simple stain
capsule stain
A virologist needs to remove all bacteria from a solution containing viruses without removing the viruses. What should the scientist do?
Chapter 9 Solutions
Microbiology with Diseases by Body System (4th Edition)
Ch. 9 - Why does milk eventually go bad despite being...Ch. 9 - Prob. 1EDCSCh. 9 - Why are BSL-4 suits pressurized? Why not just wear...Ch. 9 - Prob. 3TMWCh. 9 - Prob. 4TMWCh. 9 - Prob. 1MCCh. 9 - Prob. 2MCCh. 9 - Prob. 3MCCh. 9 - Prob. 4MCCh. 9 - Prob. 5MC
Ch. 9 - Prob. 6MCCh. 9 - Prob. 7MCCh. 9 - Prob. 8MCCh. 9 - The presarva1icn of beef jerky from microbial...Ch. 9 - Prob. 10MCCh. 9 - Which of the following substances would most...Ch. 9 - Which of the following adjectives best describes a...Ch. 9 - Prob. 13MCCh. 9 - Prob. 14MCCh. 9 - Prob. 15MCCh. 9 - Prob. 16MCCh. 9 - Which of the following disinfectants acts against...Ch. 9 - Which of the following disinfectants contains...Ch. 9 - Prob. 19MCCh. 9 - Prob. 20MCCh. 9 - Describe three types of microbes that are...Ch. 9 - Compare and contrast four tests that have been...Ch. 9 - Prob. 3SACh. 9 - Why do warm disinfectant chemicals generally work...Ch. 9 - Why are Gram-negative bacteria more susceptible to...Ch. 9 - Describe five physical methods of microbial...Ch. 9 - Prob. 7SACh. 9 - Prob. 8SACh. 9 - Compare and contrast desiccation and...Ch. 9 - Prob. 10SACh. 9 - Prob. 11SACh. 9 - Prob. 12SACh. 9 - Prob. 13SACh. 9 - What are some advantages and disadvantages of...Ch. 9 - Prob. 15SACh. 9 - Calculate the decimal reduction time (D) for the...Ch. 9 - Prob. 2VICh. 9 - Prob. 1CTCh. 9 - Prob. 2CTCh. 9 - Prob. 3CTCh. 9 - Prob. 4CTCh. 9 - Over 1000 people developed severe diarrhea, and at...Ch. 9 - Prob. 6CTCh. 9 - Prob. 7CTCh. 9 - Prob. 8CTCh. 9 - Prob. 9CTCh. 9 - Prob. 10CTCh. 9 - Prob. 11CTCh. 9 - Where should you place a sterilization indicator...Ch. 9 - Why is liquid water necessary for microbial...Ch. 9 - Prob. 14CTCh. 9 - During the fall 2001 bioterrorist attack in which...Ch. 9 - What common household antiseptic contains a heavy...Ch. 9 - What is the phenol coefficient of phenol when used...Ch. 9 - Prob. 1CM
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A patient sample will be analyzed. You are responsible to quantify the bacteria number. The dilution series shown in the Figure ( Dilution.jpg) is prepared and 1 ml from each tube is plated. Plates were grown 24 hours resulting in colonies in each plate. Which plate you will use to quantify the bacteria in the patient sample? Why did you pick that plate? What is the dilution factor used in this series? Calculate the number of bacteria in the original patient sample. What would you do and why, if there were too many colonies to count on each plate?arrow_forwardNote that it is not appropriate to self-diagnose outside of a medical context and this is a completely hypothetical scenario. Imagine you have a rash on your foot. You're concerned that it's an infection and inoculate a sample onto an agar plate. You wonder, How can I figure out whether the pathogen is a bacterium vs a eukaryote? You decide to use lab supplies to get a basic understanding of the pathogen. Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we could do in our lab. What is one experiment you could do, involving culturing the organism?arrow_forwardNote that it is not appropriate to self-diagnose outside of a medical context and this is a completely hypothetical scenario. Imagine you have a rash on your foot. You're concerned that it's an infection and inoculate a sample onto an agar plate. You wonder, How can I figure out whether the pathogen is a bacterium vs a eukaryote? You decide to use lab supplies to get a basic understanding of the pathogen. Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we could do in our lab. What is a procedure you could do, involving making a slide of the organism?arrow_forward
- Before viewing a specimen of pigmented bacteria on a slide under the light microscope, which of the following usually needs to happen (and why)? Staining (to increase magnification). Heat, radiation or antimicrobial chemical treatment (to kill the bacteria for safe observation). Add immersion oil (to increase resolution). Add a cover slip (to reduce contamination). The viewing chamber needs to be flushed of air (to create a vacuum).arrow_forwarda. After conducting the Gram staining procedures and you observed that all cells are stained with too much purple though the bacteria you fixed is Gram negative, what could be the mistake you have done? b. After conducting the Gram staining procedures and you observed that all cells are stained with too much pink though the bacteria you fixed is Gram positive, what could be the mistake you have done?arrow_forwardA lab technician is working with a bacterium in pure culture (in 5 ml of liquid media in a test tube). The bacterium is a mesophile that can infect humans. Which of the following is NOT true (with regards to temperature conditions for this bacterial culture)? Lowering the temperature to -10 deg C for at least an hour will likely kill all the bacteria. Placing the tube at 37 deg C will likely facilitate rapid growth of the bacteria. Raising the temperature to 90 deg C for at least an hour will likely kill all the bacteria. Placing the tube at 4 deg C will likely slow or halt growth of the bacteria.arrow_forward
- You are hired in one of the microbiology labs in Memphis and your first assignment to identify microbial samples from a local restaurant. You are given a set of slides and asked to classify the specimens as Gram positive or Gram negative. 9) What makes the bacteria Gram negative?10) Approximately how long would it take you to finish the entire procedurearrow_forwardWhen you interpret a Gram-stained smear, you should also describe the morphology (shape) of the cells, and their arrangement. In the figure below, there are two distinct types of bacteria, distinguishable by Gram stain reaction, and also by their shape and arrangement. Below, describe these characteristics for both bacteria: Gram positive bacterium Gram negative bacterium Morphology cocci bacillus Arrangementarrow_forwardYou are performing a Gram stain on Gram-negative bacteria, and you stop after the addition of the alcohol. What is the appearance of the bacteria at this point? ○ pink ○ colorless ○ blue ○ purplearrow_forward
- The below photograph shows a Gram-stained slide viewed using a light microscope set at brightfield of a clinical sample from a patient with symptoms suggesting an infection. The slide was viewed with x100 objective. What could be the most likely cause of infection? Gram positive bacteria, either rods or cocci Gram positive rod shaped bacteria or yeast Gram negative rod or cocci shaped bacteria Gram negative bacteria, either rods or cocciarrow_forwardA class of 15 students (8 males and 7 females) will need to culture an unknown bacteria for a specific activity where 5 nutrient agar pates per female student and 3 agar slants per males student are needed to prepare. agarplate: 25mL Agar slant: 10mL Broth tube: 8mL Nutrient Agar: Yeast extract: 2g/L peptone: 5g/L Sodium chloride: 5g/L Agar powder: 15g/Larrow_forwardYou are hired in one of the microbiology labs in Memphis and your first assignment to identify microbial samples from a local restaurant. You are given a set of slides and asked to classify the specimens as Gram positive or Gram negative. 6) What would be the last reagent you use to identify the bacteria? 7) What type of visual aid you need to help you see the bacterial samples clearly? 8) After the use of what reagent, you will be able to decide if you have a Gram positive or Gram negative bacteria? **Please give the answer**arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
cell culture and growth media for Microbiology; Author: Scientist Cindy;https://www.youtube.com/watch?v=EjnQ3peWRek;License: Standard YouTube License, CC-BY