In a CFU experiment, the shown plate was obtainedwhen 0.01 ml of 10-3 dilution was inoculated, so theCFU count in this case is approximately:Select one:a. 4000000b. 400000C. 4000d. 40000000 The colonies growing on the surface of solid mediarepresent:Select one:a. A group of different bacteriab. A single bacteriumc. A single celld. Many cells of the same bacteriume. Can not tell

The CFU/ml are often calculated using the formula:cfu/ml = (no. of colonies x dilution factor) /…

Answered: The colonies growing on the surface of…

The colonies growing on the surface of solid media represent: Select one: a. A group of different bacteria b. A single bacterium C. A single cell d. Many cells of the same bacterium

Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach

5th Edition

ISBN:9781285244662

Author:White

Publisher:White

Chapter19: Equipment Processing And Surveillance

Section: Chapter Questions

Problem 7SEPT

See similar textbooks

Related questions

Q: The bacterium Staphylococcus aureus is ___________ in shape and ______________ in arrangement.

A: Bacteria are prokaryotic organisms which vary in different size, shape, and arrangement. According…

Q: As a doctor, you come across patients whose bacterial illnesses are no longer responding to…

A: Tetracycline is an antibiotics that is used to treat the infections caused by the bacteria that…

Q: What kind of microscope was invented in 1932 that was able to record images of transparent…

A: A microscope is a laboratory instrument used to examine objects that are too small to be seen by the…

Q: Bacteria tend to stain more readily with cationic (positively charged) dyes because bacterial…

A: Bacteria are the most important microorganisms to the food processor. Some bacteria are beneficial…

Q: You perform a Gram staining technique on two bacterial species and observe that one is stained…

A: Gram staining is a technique used to differentiate between two groups of bacteria namely…

Q: The term culture refers to the _____________ growth of microorganisms in_________ . a. rapid, an…

A: The growth of microscopic organisms which can be observed with the naked eye by seeing the cluster…

Q: When utilizing the microscope to identify the cells in an unknown sample, you notice that the cells…

A: Three domains are 1. Domain eukarya 2. Domain archaea 3. Domain bacteria

Q: Compare and contrast gram positive bacteria with gram negative bacteria.

A: Bacteria can be classified as gram-positive or gram-negative based upon the gram staining methods.…

Q: A culture medium on which only Gram-positive organisms grow is called a(n): Question 9 options:…

A: Culture media is referred to as a media composed of gel or liquid to grow microorganisms. Different…

Q: Refer tó the image below to answer this question. You have a bacterial culture with a concentration…

A: Serial dilution is the dilution of a substance in the given solution in a stepwise manner. Serial…

Q: What conclusion would you draw if the numbers of bacterial colonies in were the same on the control…

A: Bacteria are unicellular and prokaryotic organisms that live in wide variety of environments. It…

Q: Mass spectrometry identifies microbes via a. fluorescence of antibodies. b. precipitation reactions.…

A: Answer is c.)protein fingerprints.

Q: You begin with an overnight culture of approximately 108 organisms/ml and need a concentration of…

A: In an Overnight culture of the bacteria, their growth factor depends upon the type of bacteria we…

Q: SIN 1. а. 2. а. b. b. С. С. d. d. е. е.

A: Bacterial colonies refer to a group of bacteria. These are derived from a single mother.

Q: Which of the following is present in both gram-positive and gram-negative cell walls? a. an outer…

A: Depending upon the type of cell walls, bacteria are divided into two main types: gram positive and…

Q: How many cells could be present in a single bacterial colony?

A: A BACTERIAL COLONY is defined as a visible mass of microorganisms all originating from a single…

Q: Which of the following bacteria possesses a spherical shape? a) E. coli b) Bacillus anthracis c)…

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: The cell wall of a gram-positive bacterium is composed of a thick ________ layer. A) protein B)…

A: Gram-positive bacteria, in bacteriology, are bacteria that give a positive response in a stain test…

Q: In an experiment Staphylococcus, streptococcus and enterococcus are bacteria that are stained dark…

A: Introduction: The bacteria are classified on the basis of staining as gram-positive and…

Q: Which metric unit is most appropriate for expressing the size of bacterial cells? a). nanometer b).…

A: In science standards unit of measurement is metric. Some organisms can be seen by naked eyes. Their…

Q: Why do you think an infection from gram-negative bacteria can be more diff treat with drugs than a…

A: There are two types of bacteria depending upon their cell wall. Gram positive bacteria are known as…

Q: Which of the following affects the elimination of bacteriafrom an object?(a) Number of bacteria…

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: You are using bacterium E.coli to synthesize a protein from recombinant DNA. The protein remains in…

A: Escherichia coli is one among the organisms of selection for producing recombinant proteins. It's…

Q: Discuss why you should incubate bacterial plate upside down with the lid at the bottom:

A: Management of the culture plates is important in the microbiology laboratory. It is studied under…

Q: Bacteria tend to stain more readily with cationic (positively charged) dyes because bacteria a.…

A: Bacteria are stained by positive and negative dyes.

Q: Explain the importance of describing the morphological characteristics of bacterial colonies when…

A: Introduction A bacterial colony is a cluster of bacteria that all came from the same mother cell.…

Q: particular bacterium requires techoic acid in its medium in order to grow. What would the bacterium…

A: B. cell wall

Q: Explain the reason that the obtained organism is either a bacterium or eukaryotes.

A: The reason that the obtained organism is either a bacterium or eukaryotes

Q: List 2 reasons why a bacterium that should be gram positive might turn out gram negative.

A: Gram-positive and Gram-negative bacteria are differentiated by Gram staining.

Q: The use of the Gram stain in microbiology is important because it differentiates A) Bacteria from…

A: To find the best option among the four that related to use of gram stain in microbiology.

Q: If you do not see single colonies on some of the plates, explain what might have happened to the…

A: A bacterial colony is a mass of bacterial cells originating from mother cells, they grow on solid…

Q: A patient sample from the hospital is analyzed and found to contain peptidoglycan, NAM, NAG, and…

A: The cell wall in most of the bacteria is made up of peptidoglycan which is also known as murein. It…

Q: After an antimicrobial drugs test, the following results were obtained from a disk-diffusion test…

A: The antibiotic disc diffusion test is usually performed on an agar plate. The agar plate contains a…

Q: 1. A bacterium is grown in an environment with tryptophan added to the medium. Describe how the…

A: Need to find how the bacteria responds to tryptophan added into the medium.

Q: A persister cell is an individual bacterial cell that can survive: A. In an autoclave B. An…

A: Persisters are a unique variant of cells that exhibit a state of dormancy while exposed to…

Q: Consumers are advised to avoid stuffing a turkey the night before cooking (where the stuffing would…

A: Temperature abuse is concept in the food safety in which the food is not exposed to the proper…

Q: What general type of growth medium would you use to: (a) grow one type of bacteria but inhibit the…

A: Answer a) Selected media prefer the growth of one microbe but block the others. It is made of…

Q: When do we make the determination that a bacterium is Gram positive?

A: In this question asked about the bacteria gram positive and negative effects. Detailed solution in…

Q: Use the following diagram to answers the questions. A. Is this cell Gram + or Gram -? Provide 2…

A: Bacteria are a broad collection of tiny, unicellular creatures that have been classed as prokaryotic…

Q: Bacteria are microscopic single-celled organisms that are far too small to detect with the naked…

A: Microorganisms are found on every inanimate surface and can be isolated from all possible sources…

Q: Define the meaning of Suspension cell culture

A: Cell culture is a media which is used for growth of the cells.

Q: Can we use the one type of antibiotic (i.e., penicillin) to treat Gram-positive and Gram-negative…

A: Yes, we can use one type of antibiotic i.e. penicillin to treat gram-positive bacteria. Penicillin…

Q: Polymyxins are antibiotics that are used in the treatment of Gram-negative bacterial infections. You…

A: What are polymyxins Polymyxins are a group of cationic polypeptide antibiotics consisting of five…

Concept explainers

Microbial Physiology

Microbial physiology is the branch of microbiology that is associated with studying the physiology of fungi, bacteria, and viruses. It is an important field of science concerning functional genomics and metabolic engineering.

Chemotaxis

The organism’s movement in a particular direction as a response to certain chemicals that are available in the environment is defined as chemotaxis. In brief, it can be defined as the occurrence of an organism’s movement in response to a certain chemical stimulus.

Question

In a CFU experiment, the shown plate was obtained
when 0.01 ml of 10-3 dilution was inoculated, so the
CFU count in this case is approximately:
Select one:
a. 4000000
b. 400000
C. 4000
d. 40000000

The colonies growing on the surface of solid media
represent:
Select one:
a. A group of different bacteria
b. A single bacterium
c. A single cell
d. Many cells of the same bacterium
e. Can not tell

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

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

How large can a bacterium be? How small? Why is itthat we likely know the lower limit more accuratelythan the upper limit?
Which of the following describes organisms in the domians bacteria and archaea? select all that apply.
. Assume you are given two cultures, one of a species of gramnegative Bacteria and one of a species of Archaea. Discuss at leastfour different ways you could tell which culture was which.
The structures that enable some Gram-positive bacteria to remaindormant for extremely long periods of time are known asa. akinetes. b. endospores. c. biofilms. d. lipopolysaccharide envelopes. e. pili.
When utilizing the microscope to identify the cells in an unknown sample, you notice that the cells all contain a nucleus. Based on this info you eliminate the following from your list of potential organisms: A. Bacterium B. Archaea C. Eukaryote D. A and B E. None of the above
Give 6 products of industrial microbiology. Classify and give information about the organism(s) and process(es) involved
Answer the question xiv) Cite two (2) reasons why is it important for a researcher or a hospital technician to be able to differentiate between Gram-positive and Gram-negative bacteria Plz provide references also
A=B=C=D= This diagram depicts a Gram what bacteria
Compare and contrast gram positive bacteria with gram negative bacteria.
When do we make the determination that a bacterium is Gram positive? A) Safranin washes the crystal violet die out of the cell wall. B) Crystal violet die is not able to absorb into the cell wall. C) Alcohol does not wash the crystal violet die out of the cell wall. D) Crystal violet turns the bacterium a yellow color.
1. Suppose you received two cultures from a reactorbiological: one containing a species of Gram negative bacteria and the other, aspecies of Archaea. Discuss four different ways to distinguish thesecultures, without considering ribosomal RNA sequencing.
_______________________ refers to chains of spherical bacterial cells whileclusters of spherical cells are called_______________________.a. Diplococcus, streptococcusb. Staphylococcus, streptococcusc. Streptococcus, staphylococcusd. Micrococcus, sarcina