Microbiology: Principles and Explorations
9th Edition
ISBN: 9781118743164
Author: Jacquelyn G. Black, Laura J. Black
Publisher: WILEY
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Chapter 1, Problem 18SQ
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To match: The scientist for their famous contribution
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I am doing my microbiology homework and I need help with these questions:
1) List the structures ALL bacteria possess.
2) Identify three structures SOME but not all bacteria possess.
5) Describe the structure and function of three different structures found outside of the bacterial cytoplasmic membrane.
6) Differentiate between the two main types of bacterial envelope structures.
7) Why are Gram-positive cell walls stronger than Gram-negative cell walls?
8) Name a substance in the envelope of SOME bacteria that can cause severe symptoms in humans.
9) Describe the causes of sporogenesis and germination
10) Compare and contrast the major features of archaea, bacteria and eukaryotes by completing the table below.
Characteristic
Bacteria
Archaea
Eukarya
Chromosome
Type of Ribosomes
Protein Synthesis Similar to Eukarya
Sterols In Membrane
Membrane-bound Organelles
Peptidoglycan in Cell wall
Hello, please read the attached Microbiology question and answer correctly. Please explain your answer.
*If you correctly answer the question, I will provide a Thumbs Up to you.
Thank you.
Donna suddenly developed a sore throat accompanied by a fever of 103°F. When over-the-counter medication was ineffective, Donna sought the advice of her doctor. He took a throat culture and, anticipating that it might be a bacterial infection, he began her on a 10-day regime of antibiotics.
Why is it important that the doctor confirms this is a bacterial infection, before prescribing antibiotics? Would the doctor prescribe antibiotics if this was a viral infection?
Chapter 1 Solutions
Microbiology: Principles and Explorations
Ch. 1 - List three reasons to study microbiology.Ch. 1 - What is the difference between microbiology and...Ch. 1 - Prob. 1.3SCCh. 1 - List five bacterial diseases and five viral...Ch. 1 - Prob. 2.1SCCh. 1 - State the germ theory of disease. Try to think of...Ch. 1 - How did Pasteurs experiment with swan-necked...Ch. 1 - Why was the French microbiologists method of broth...Ch. 1 - What were the scientific contributions of Jenner,...Ch. 1 - Prob. 3.2SC
Ch. 1 - What is the Human Genome Project? How has...Ch. 1 - Prob. 1CCSCh. 1 - Prob. 1CTQCh. 1 - Can you think of some reasons why it might be hard...Ch. 1 - As often happens in science, one observation or...Ch. 1 - It is likely that others beside Anton van...Ch. 1 - The completion of chromosomal mapping and...Ch. 1 - Prob. 6CTQCh. 1 - Prob. 1SQCh. 1 - Conclusive evidence of thriving microbial life has...Ch. 1 - Which of the following is not true? (a) A single...Ch. 1 - Which is false regarding Archaea? (a) They lack a...Ch. 1 - Why are microbes important to study and how are...Ch. 1 - Prob. 6SQCh. 1 - Prob. 7SQCh. 1 - Animals such as worms and ticks are too large to...Ch. 1 - Prob. 9SQCh. 1 - Prob. 10SQCh. 1 - What triggered the development and establishment...Ch. 1 - Prob. 12SQCh. 1 - Prob. 13SQCh. 1 - The biggest obstacle in the acceptance and...Ch. 1 - Match the following terms to the appropriate...Ch. 1 - Prob. 16SQCh. 1 - Prob. 17SQCh. 1 - Prob. 18SQCh. 1 - Describe the contributions of the following...Ch. 1 - Prob. 20SQCh. 1 - Prob. 21SQCh. 1 - Prob. 22SQ
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- Identifying an unknown bacterium is an essential step in the diagnosis and treatment process. Since not every antibiotic is effective against every type of bacteria, knowing what caused a particular infection allows us to make correct prescriptions so patients can recover more quickly. Knowing the cause of an infection also prevents antibiotic resistance as well, since incorrect prescriptions allow bacteria to be unnecessarily be exposed to antibiotics, increasing the chances of developing resistance.arrow_forwardIt was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St. Mary's Hospital in London. Penicillin heralded the dawn of the antibiotic age. Before its introduction there was no effective treatment for infections such as pneumonia, gonorrhea or rheumatic fever. Hospitals were full of people with blood poisoning contracted from a cut or a scratch, and doctors could do little for them but wait and hope. 1. What is the mechanism of action of penicillin? 2. Cells treated with penicillin do not die immediately, so how this antibiotic is effective? 3. Why penicillin is most effective against Gram-positive bacteria? 4. Explain penicillin resistance mechanisms among bacteria today and the causes why they gained this resistance and making this great life-saving drug not usable anymore.arrow_forwardThe Golden Age of Microbiology was the time whena) microorganisms were first used to make bread.b) microorganisms were first used to make cheese.c) most pathogenic bacteria were identified.d) a vaccine against influenza was developed.e) antibiotics became available.arrow_forward
- If a person contracted MRSA and no antibiotics are working on them, how would you go about finding a way to treat their infection? Describe, in detail, how you would devise a plan to save their life utilizing your knowledge of bacteria and viruses.arrow_forwardWhich of the following is NOT true about Koch's postulates? First developed by Robert Koch, the pioneering German microbiologist In the first step, the microbe that causes a naturally occurring disease is cultured from a "wild" (non-laboratory) animal which has that disease None of the other four answers (All are true about Koch's Postulates) They represent a process for showing a causal association between a specific microbe and a disease If the same microbe from a diseased "wild" (non-laboratory) host causes the same disease in a lab animal and it can be cultured from that lab animal, this proves that the microbe is the cause of the naturally occurring diseasearrow_forwardRod-shaped bacteria grouped in pairs:Question 7 options: a) streptococci b) diplobacilli c) bivibrios d) staphylobacilliarrow_forward
- Please answer fastarrow_forwardThe presence of a capsule around bacterial cells usually indi-cates their increased disease-causing potential and resistance todisinfection. Capsules are generally viewed by:(a) Spore staining(b) Scanning electron microscopy(c) Gram staining(d) Ziehl-Neelsen staining(e) Negative stainingarrow_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) Fermentationarrow_forward
- Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what the three domains have in common and how they differ. Define viruses, and explain how they relate to living cells. Explain how microbial diseases have changed human history. Explain the tenets of Cell Theory Describe how microscopy led to the Germ Theory of infectious disease Define the germ theory of disease. Explain how Koch's postulates can show that a specific kind of microbe causes a disease. Explain the problems in interpreting Koch's postulates in practice.arrow_forwardThe first step for directly linking a microbe to a specific disease according to Koch's postulates is to A.isolate microbes from the blood of healthy animals. B. culture the blood or other body fluid from a diseased animal using nutrient medium. C. inject a sample of blood or other body fluid from a diseased animal into a healthy animal. D. obtain a sample of blood or other body fluid from a diseased animal.arrow_forwardYou are working for the CDC studying outbreaks of foodborne infectious disease. Your latest case is an incidence of food poisoning in a fast food restaurant. 5 people have been hospitalized for food poisoning, so you are working with that hospital to identify the source of the outbreak. Hospital clinicians have taken samples from each of the 5 patients for culturing. Each bacterial culture grew one likely microbe, each labelled P1, P2, P3, P4, and P5. All 5 isolates appear to have the same colony morphology on the plates, and all appear to be Gram-negative rods 1 micron wide and 3 microns long under the microscope. In addition, all 5 isolates appear to perform the same on an API 20E test strip that tests bacteria for 20 biochemical abilities. No other testing has been done yet. How would you best describe your set of isolates at this moment? O Each isolate is the same strain, of a different species O Each isolate is a different strain, of different species O Each isolate is a different…arrow_forward
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