Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 1, Problem 1MC
The property of endospores that led to confusion in the experiments on spontaneous generation is their
a) small size.
b) ability to pass through cork stoppers.
c) heat resistance.
d) presence in all infusions.
e) presence on cotton plugs.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Is the Mueller-Hinton Agar (MHA) a complex or defined medium? Explain based on its composition. Is MHA a A) differential, B) selective, C) both differential and selective media, or D) neither? Explain based on what kind of microorganisms it allows to grow.
Is the Triple-Sugar Iron Agar (TSIA) a complex or defined medium? Explain based on its composition. Is the test tube a A) broth, B) slant, or C) deep agar medium? Why is a “needle” used to inoculate?
Which among statements A-D is not applicable to endospore formation?
A) O It is likely to occur during the log phase of growth.
B) O Formation of a mother cell occurs during the process.
C) OIt is a property found in members of genus Bacillus and genus Clostridium.
D) O Dipicolinic acid and calcium ions play an important role in making the spore highly resistant to environmental conditions,
E) OA-D are all are applicable to endospore formation
Chapter 1 Solutions
Nester's Microbiology: A Human Perspective
Ch. 1 - How did Louis Pasteur help disprove spontaneous...Ch. 1 -
2. Describe the scientific method.
Ch. 1 - Explain why life could not exist without the...Ch. 1 - How is the normal microbiota important to human...Ch. 1 -
5. List four commercially important benefits of...Ch. 1 - What characteristics of microorganisms make them...Ch. 1 - Prob. 7SACh. 1 - In the designation Escherichia coli B. which part...Ch. 1 -
9. Why are viruses not microorganisms?
Ch. 1 - Name three non-living groups in the microbial...
Ch. 1 - The property of endospores that led to confusion...Ch. 1 -
2. The Golden Age of Microbiology was the time...Ch. 1 - If all prokaryotes were eliminated from the...Ch. 1 - Prob. 4MCCh. 1 -
5. All of the following are biological domains...Ch. 1 -
6. Which name is written correctly?
a)...Ch. 1 -
7. Members of which pairing are most similar in...Ch. 1 -
8. If you wanted to increase your chances of...Ch. 1 -
9. Viruses
1. contain both protein and nucleic...Ch. 1 - Antony van Leeuwenhoek could not have observed a)...Ch. 1 - The American Society for Microbiology is preparing...Ch. 1 - If you were asked to nominate one of the...Ch. 1 - A microbiologist obtained two pure biological...Ch. 1 - Why would archaea that grow in extreme...
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) What is morphology? b) Describe the common morphological characteristics of bacteria that are often used in microbiological studies. c) Explain the chemical and physical requirements needed for bacterial growth d) Explain the importance of using growth medium and devise a STEP-BY-STEP plan to grow bacterial cell cultures in the laboratory.arrow_forwardWrite a paragraph explaining the Gram stain result and the differences in the endospores of these three spices: a) Clostridium perfringes b) Clostridium tetani C) Clostridium botulinumarrow_forward22) Which of the techniques/characteristics below may be used to identify a target bacterium in a pool of microorganism? a) its morphology b) its growth requirement c) antibody-antigen interaction ) d) all of the above. ) e) a and c 23) What is the process that produces alcohol in S. cerevisiae (yeast)? () a) Respiration ( b) Sedimentation c) Photosynthesis )d) Fermentation 24) Identify the most mistaken (wrong) choice: a) Halophiles are those organisms that like high salt concentrations. ) b) Some bacteria reproduce by binary fission. ( c) A fungus cell contains a true nucleus. d) During the lag phase of growth, the metabolic activity is very lowarrow_forward
- Which of the following agents if introduced into a growing culture of bacteria would halt growth but if removed would allow growth to continue? A) Antiseptic B) Bacteriostatic agent C) Disinfectant D) Bactericidal agent E) Sterilizing agentarrow_forwardThe difference in the colony appearance of bacteria cells growing on mannitol salt agar is detected by a) methyl blue b)methyl red c) phenol d) eosin e) salt .arrow_forwardWhich of the following is not a method used to introduce foreign DNA into a bacterial cell? a) biolistic gun b) calcium chloride treatment followed by heat shock c) infection with a specific phage d) electroporationarrow_forward
- You perform a Gram staining technique on two bacterial species and observe that one is stained purple while the other is stained pink. Which of the following is consistent with this observation? a) The purple one is likely more resistant to penicillin b) Both bacteria have a cell wall made of mycolic acid c) Their peptidoglycan layers have the same thickness d) They differ in the number of phospholipid membranes e) One has a monolayer of phospholipids while the other has a bilayer of phospholipidsarrow_forwardThe Kirby-Bauer test examines the effectiveness of antibiotics and disinfectants or antiseptics on separately plated bacteria. Which of the following Zones of Inhibition (ZOI) measurements on a plate of Klebsiella pneumoniae shows the strongest inhibition of the bacterium's growth? a) Penicillin, 7 mm ZOI b) Actinomycin, 9 mm ZOI c) Tetracycline, 26 mm ZOI d) Chloramphenicol 2 mm ZOI e) Streptomycin, 23 mm ZOIarrow_forwardIf a experiment took place with culture of Ecoli What happens to the ampicillin flask when added to the e coli? b) How can this effect be explained 11.a) What happens in the flask with chloramphenicol? b) How can this effect be explained 12.a) What happens in the flask with streptomycin? b) How can this effect be explainedarrow_forward
- 22) Which of the techniques/characteristics below may be used to identify a target bacterium in a pool of microorganism? ( a) its morphology () b) its growth requirement c) antibody-antigen interaction d) all of the above. ( e) a and c 23) What is the process that produces alcohol in S. cerevisiae (yeast)? ( a Respiration ( b) Sedimentation c) Photosynthesis ) d) Fermentationarrow_forwardNot only is blood agar an enriched medium that can support fastidious organism growth, but it can also serve as a differential medium in the identification of streptococcal species because of the presence of red blood cells that can be destroyed by an organism's hemolysins. Looking at this photo, how could you describe the organism growing on the surface of this blood agar plate? Multiple Choice a) Gamma-hemolytic b) Alpha-hemolytic c) Non-hemolytic d) Beta-hemolyticarrow_forwardwhat is the purpose of steaming the slide while applying malachite green in the endospore stain? a)To attach to the bacteria slide b)To create spores immediately c)To force the stain to penetrate the thick spore coat d)To ensure the bacterial cells are stained a red color e)To lyse the cell wall and kill the bacteriaarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Archaea; Author: Bozeman Science;https://www.youtube.com/watch?v=W25nI9kpxtU;License: Standard youtube license