Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781260163698
Author: Cowan
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 4, Problem 19Q
Which of the following is not useful to determine whether a clinical isolate is a bacterium,
- a. its size under a light microscope
- b. whether it has a cell wall
- c. whether it can form protective structures under stress
- d. all of the above are reliable
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
You have 500ml of a bacterial
culture (cell density 1x10^6
cells/ml). How would you want to
prepare 5 ml of a cell suspension
with a cell density of 1x10^7
cells/ml?
OA.
Centrifuge 100 ml of the stock
B. Centrifuge 500ml of the stock
C. Add 50 ml media
D. Add 10 ml media
E. Add 500 ml media
F. Discard supernatant
G. Centrifuge 50 ml of the stock
H. Add 100 ml media
OI. Centrifuge 10 ml of the stock
J. Dissolve pellet in 5 ml media
K. Dissolve pellet in 50 ml media
L. Dissolve pellet in 10 ml media
M.
Dissolve pellet in 100 ml media
You are looking at a white cottony growth on a culture medium. Microscopic examination reveals it is multicellular. You can conclude all of the following about this microorganism except that it:
a. has cell walls
b. has DNA enclosed in a nucleus
c. is a bacterium
d. absorbs organic nutrients
Which of the following is NOT correctly matched?
A. Halophile – microbe that can grow in an environment with high osmotic pressure (e.g., salt)
B. None of the other four answers (all are correctly matched)
C. Agar – complex polysaccharide from seaweed used as a solidifying agent in culture media
D. Colony – a population of microbial cells arising from a single cell or spore or from a group of attached cells
E. Capnophile – microbe requiring an elevated molecular oxygen (O2) environment for optimal growth
Chapter 4 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 4.1 - Relate bacterial, archaeal, and eukaryotic cells...Ch. 4.1 - List the types of eukaryotic microorganisms, and...Ch. 4.2 - Differentiate among the flagellar structures of...Ch. 4.2 - List similarities and differences between...Ch. 4.2 - Describe the main structural components of a...Ch. 4.2 - Diagram how the nucleus, endoplasmic reticulum,...Ch. 4.2 - Prob. 7AYPCh. 4.2 - Explain the importance of ribosomes, and...Ch. 4.2 - List and describe the three main fibers of the...Ch. 4.2 - Prob. 10AYP
Ch. 4.2 - Prob. 1NPCh. 4.3 - Prob. 11AYPCh. 4.3 - Prob. 12AYPCh. 4.3 - Differentiate among the terms heterotroph,...Ch. 4.3 - Prob. 14AYPCh. 4.3 - Prob. 15AYPCh. 4.3 - Q. Yeast infection is one common side effect of...Ch. 4.3 - Prob. 2MMCh. 4.4 - Prob. 16AYPCh. 4.4 - Prob. 17AYPCh. 4.4 - Explain why a cyst stage may be useful to a...Ch. 4.4 - Prob. 19AYPCh. 4.4 - Prob. 2NPCh. 4.5 - Prob. 20AYPCh. 4.5 - Summarize the stages of a typical helminth life...Ch. 4.5 - Prob. 3NPCh. 4.5 - Prob. 3MMCh. 4 - Mitochondria likely originated from a. archaea. b....Ch. 4 - Summarize the endosymbiotic theory and explain how...Ch. 4 - Prob. 3QCh. 4 - Prob. 4QCh. 4 - Compare and contrast the structure and function of...Ch. 4 - Prob. 6QCh. 4 - Prob. 7QCh. 4 - Considering the role of fungi in nature, speculate...Ch. 4 - Prob. 9QCh. 4 - Prob. 10QCh. 4 - Prob. 11QCh. 4 - Prob. 12QCh. 4 - Prob. 13QCh. 4 - Prob. 14QCh. 4 - Do you suppose any of these eukaryotic microbes...Ch. 4 - Which of these groups causes the most casualties...Ch. 4 - Prob. 17QCh. 4 - Do you suspect that the fact that humans use...Ch. 4 - Which of the following is not useful to determine...Ch. 4 - Why were protozoa originally considered a single...Ch. 4 - Write a paragraph that would explain the...Ch. 4 - From chapter 2, figure 2.1. Discuss how the...
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
- Why are staining methods used in microbiology? Choose all that apply A. Staining results can have medical implications for an infected B. To clearly see the internal structures of the bacteria C. The stains can be used to dinginuish between bacteria type D. It is easier to very small microscope.arrow_forwardThe broth culture of Bacillus subtilis showed growth even after extended heating in a waterbath, while Serratia marcescens did not. This is due to: a. Bacillus subtilis is Gram-positive, while Serratia marcescens is Gram-negative b. Bacillus subtilis is a spore former c. the pigment of Serratia marcescens absorbs more radiation than other cells d. Bacillus subtilis has enzymes that protect it from ozonearrow_forwardBacteria may be Gram + or Gram - due to their difference in staining. This stain is significant to treating bacterial diseases because A. Some people are immune to one type of bacteria but not the other B. The types of antibiotics prescribed will be based in part on which type of bacteria is causing the infection. C. Gram - always cause disease, Gram positives don't D. You can eliminate a large group of bacteria by knowing if infection is caused by either a Gram + or a Gram - which makes it easier to treat. E. B and D are correctarrow_forward
- 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 tellarrow_forwardUsing the Table above as a guide, indicating what media could be used to differentiate the organisms in each pair. S. epidermidis vs. S. saprophyticus staph.jpg A. SIM B. MacConkey C. blood agar D. ureasearrow_forwardA bacterium has the following characteristics:∙ It adheres to the human intestinal lining using a feature that protects it from phagocytes, bacteriophages, and dehydration∙ It can survive being boiled∙ It contains no plasmids and relatively little peptidoglycanWhich of the following characteristics allows this bacterium to adhere to the intestinal lining? Group of answer choices A. fimbriae B. pili C. an endospore D. a flagellumarrow_forward
- MacConkey (MAC) Agar is used to isolate gram-negative enteric bacteria.Peptone provides nutrients necessary for growth.Bile salts and crystal violet inhibit the growth of gram positive bacteria.Lactose is a carbohydrate. When metabolized, colonies turn the medium pink.Which organism/s will grow in the medium? a. Escherichia coli b. Pseudomonas aeruginosa c. Staphylococcus aureus d. Escherichia coli & Pseudomonas aeruginosa e. Pseudomonas aeruginosa & Staphylococcus aureusarrow_forwardFrom the given option below what is the community of prokaryotes surrounded by slime and adhering to a surface called, a. plasmid. b. flagellum. c. endospore. d. biofilm. 8:47 Farrow_forwardA bacterium has the following characteristics: I. It adheres to the human intestinal lining using a feature that protects it from phagocytes , bacteriophages, and dehydration. II. It can survive being boiled. III. It contains no plasmids and relatively little peptidoglycan. Which of the following characteristics allows this bacteria to survive in a human who is taking penicillin pills? A. gram-negative cell wall B. peptidoglycan in the cell wall C. lipopolysaccharides in the cytoplasm D. long polypeptides in the cell wallarrow_forward
- In an experiment Staphylococcus, streptococcus and enterococcus are bacteria that are stained dark blue/violet by Gram stain. Which statement is False? a. all are gram-positive bacteria 15 b. all are Gram-negative bacteria c. all are spherical bacteria d. all are prokaryotic cells e. all can cause a diseasearrow_forwardWhich of the following is not true or related to bacterial capsule formation A. Rigid and attached tightly to the cell wall B. Loose and weakly associated with bacterial cell wall. C. Capsule formation is associated with virulence of pathogenic bacteria D. Capsule provides resistance to survive through harsh conditionsarrow_forwardWhich of the following microorganisms contain large amounts of peptidoglycan? a. Some viruses O b. Gram positive bacteria O c. All kinds of fungi O d. Gram negative bacteriaarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
Bacterial Structure and Functions; Author: Osmosis;https://www.youtube.com/watch?v=b15Hy3jCPDs;License: Standard youtube license