EBK MICROBIOLOGY:W/DISEASES BY BODY...-
5th Edition
ISBN: 9780134608242
Author: BAUMAN
Publisher: PEARSON
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Chapter 11, Problem 7CT
A scientist who discovers a prokaryote living in a hot spring at 100°C suspects that it belongs to the archaea. Why does she think it might be archaeal? How could she prove that it is not bacterial?
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Endospores are
a) resistant to extreme temperatures
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c) can survive for decades
d) all of the above
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?
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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
What genus of bacteria is unable to survive in or on the human body?
Chapter 11 Solutions
EBK MICROBIOLOGY:W/DISEASES BY BODY...-
Ch. 11 - Prob. 1TMWCh. 11 - Why are taxonomic names and categories in our...Ch. 11 - Why is it that archaea dont seem to cause disease...Ch. 11 - Prob. 1EDCSCh. 11 - Why are bacteria all classified in the same domain...Ch. 11 - Modified True/False 1. ____ All prokaryotes...Ch. 11 - Prob. 2MTFCh. 11 - Modified True/False 3. __________ If you were to...Ch. 11 - Prob. 4MTFCh. 11 - Prob. 5MTF
Ch. 11 - Modified True/False 6. __________ Halophiles...Ch. 11 - Prob. 7MTFCh. 11 - Prob. 8MTFCh. 11 - Modified True/False 9. A giant bacterium that is...Ch. 11 - Prob. 10MTFCh. 11 - Prob. 1MCCh. 11 - Prob. 2MCCh. 11 - Prob. 3MCCh. 11 - Endospores _____. a. remain alive for decades b....Ch. 11 - Prob. 5MCCh. 11 - Prob. 6MCCh. 11 - Prob. 7MCCh. 11 - Prob. 8MCCh. 11 - Prob. 9MCCh. 11 - The presence of mycolic acid in the cell wall...Ch. 11 - Match the bacterium on the left with the term with...Ch. 11 - Whereas the first edition of Bergeys Manual relied...Ch. 11 - What are extremophiles? Describe two kinds, and...Ch. 11 - Name and describe three types of bacteria...Ch. 11 - Prob. 4SACh. 11 - Prob. 5SACh. 11 - A student was memorizing the arrangements of...Ch. 11 - Prob. 7SACh. 11 - Name and describe five distinct classes of phylum...Ch. 11 - Prob. 9SACh. 11 - Prob. 1VICh. 11 - Prob. 2VICh. 11 - A microbiology student described deeply branching...Ch. 11 - Prob. 2CTCh. 11 - Prob. 3CTCh. 11 - Prob. 4CTCh. 11 - Louis Pasteur said, The role of the infinitely...Ch. 11 - Prob. 6CTCh. 11 - A scientist who discovers a prokaryote living in a...Ch. 11 - Contrast the processes of nitrogen fixation and...Ch. 11 - Prob. 9CTCh. 11 - How do scientists know there are millions of...Ch. 11 - Why might soil-dwelling organisms such as...Ch. 11 - Using the following terms, fill in the following...
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- Some groups of bacteria can go dormant during periods of environmental stress through the formation of _______. A) magnetosomes B) peptidoglycan C) endospores D) piliarrow_forwardA budding artisanal cheesemaker is trying to establish her own starter culture, but there is an archaeal contaminant she finds difficult to get rid of. Instead of producing lactic acid, the Archaea ferments the milk sugars into alcohol, an extremely undesirable effect in cheese making, therefore ruining many of her cheesemaking efforts. She asked microbiologists for help to find a strategy that may hinder the growth or even kill the archaeal cells, but not the lactic acid bacteria (LAB) in rest of her starter culture. The microbiologists come up with different things to try. In the table below are some strategies that she tries. Practice Question Chapter 3 5. Predict what the results are going to be for each strategy she uses. Assume each inhibitor is specific. Assume she doesn't know the species of Archaea that is contaminating her starter culture. Answer yes, no, or maybe where appropriate, explain your answer in the last row of the table below. Will stop cell growth of Archaea Will…arrow_forwardWhy are archaea commonly referred to as extremophiles?arrow_forward
- Answer the following questions: Which cell shapes are observed members of both Bacteria and Archaea? Which are unique to bacteria? Which to archaea? Both bacteria and archaea can have S-layers. How does their use as components of the cell envelope differ? What observations about cannulae and hami suggest that they allow archaeal cells to adhere surfaces, including other cells? List three aspects of archaeal flagella and flagellar motility that are like bacterial flagella and flagellar motility. INCLUDE REFERENCES!arrow_forwardWhy are endospore forming bacteria commonly found in soil?arrow_forward1) What cell would a metabolically active form of prokaryotes?? a) living b) vegetative c) active d) sporulative e) cystic 2) Categroize the "possible answers descriptions (which are attributes and classifications)" in the image to the bacteria:arrow_forward
- Bacteria of the genus Mycoplasma are distinguished from other bacterial cells by 1) cell walls composed solely of amino acids. O 2) the absence of a cytoplasmic membrane. O 3) the absence of a cell wall. O 4) Have large capsules. 5) the presence of mycolic acid in their cell walls.arrow_forwardAfter 5 days from the trip, Adnan noticed that his foot was red and it started to itch.a) What organism could have caused these symptoms? (write the name of the kingdom) b) Write the scientific name of an organism that might have caused the symptoms.arrow_forward43 47arrow_forward
- what are the answers to the questions?arrow_forwardIn the diagram below, identify the structures of a cyanobacterial cell based on the following descriptions: a) Outer cellular covering which includes: Mucilaginous layer – outermost layer covering the cell wall; protects the cell from harmful factors of the environment Cell wall – found just below the mucilaginous layer; 2 or 3-layered, the inner layer lies in between the outer wall layer and plasma membrane; the outer layer is made of peptidoglycan Innermost plasma membrane – selectively permeable membrane enclosing the cytoplasm b) Cytoplasm – found below the plasma membrane; the protoplasm which contains structures of different shapes and functions. Lamellae, which contain pigments such as chlorophylls, carotenes, xanthophylls, phycoerythrin and phycocyanin, are located in the peripheral region of cytoplasm. Ribosomes may also be found scattered in the cytoplasm. c) Nucleic material – the nucleoplasm that is centrally located in the cell and contains chromatin in the form…arrow_forwardWhat are endospores? Why are they formes?arrow_forward
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