Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 4.3, Problem 9AYP
Summary Introduction
To discuss:
The reason that gram-positive cell walls are stronger than gram-negative cell walls.
Concept introduction
The bacterial cells are protected by a cell wall majorly composed of peptidoglycan. It is a unique molecule composed of complex of polysaccharides linked by amino acids. It plays important role in bacterial diseases treatment by using specific antibiotics. Based on the structure of the cell wall there are two types of the bacteria: Gram-positive bacteria and Gram-negative bacteria.
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Chapter 4 Solutions
Microbiology: A Systems Approach
Ch. 4.1 - List the structures all bacteria possess.Ch. 4.1 - Identify at least four structures that some, but...Ch. 4.1 - Prob. 3AYPCh. 4.1 - Prob. 4AYPCh. 4.1 - Provide at least four terms to describe bacterial...Ch. 4.2 - Describe the structure and function of five...Ch. 4.2 - Prob. 7AYPCh. 4.3 - Prob. 8AYPCh. 4.3 - Prob. 9AYPCh. 4.3 - Prob. 10AYP
Ch. 4.4 - Prob. 11AYPCh. 4.4 - Prob. 12AYPCh. 4.5 - List some differences between archaea and...Ch. 4.6 - Differentiate between Bergeys Manual of Systematic...Ch. 4.6 - Prob. 15AYPCh. 4.6 - Define a species in terms of bacteria.Ch. 4 - Which of the following is not found in all...Ch. 4 - Pili are tubular shafts in ____ bacteria that...Ch. 4 - Prob. 3MCQCh. 4 - Which of the following is a primary bacterial cell...Ch. 4 - Which of the following is present in both...Ch. 4 - Darkly stained granules are concentrated crystals...Ch. 4 - Bacterial endospores usually function in a....Ch. 4 - A bacterial arrangement in packets of eight cells...Ch. 4 - Prob. 9MCQCh. 4 - Prob. 10MCQCh. 4 - Prob. 11TFCh. 4 - A research microbiologist looking at evolutionary...Ch. 4 - Nanobes may or may not actually be bacteria.Ch. 4 - Both bacteria and archaea used to be known as...Ch. 4 - Prob. 15TFCh. 4 - Define the term ubiquitous and explain whether...Ch. 4 - Quorum sensing is a process used by many bacteria...Ch. 4 - Based upon your knowledge of cell wall structure,...Ch. 4 - Provide evidence in support of or refuting the...Ch. 4 - a.Describe the characteristics of an...Ch. 4 - Prob. 1VCCh. 4 - From chapter 1, figure 1.14. Study this figure....Ch. 4 - Prob. 1CM
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- Explain the observation of gram-negative and gram-positive cell wall under a microscope.arrow_forwardCompare and contrast the Gram-positive and Gram-negative bacterial cell walls. Discuss the cell wall components that make the Gram-positive and Gram-negative bacterial cell wall different from each other. Explain why you think one cell wall is stronger than the other.arrow_forward. Please discuss how Gram-Positive and Gram-Negative Cell walls are different from each other. What makes them distinct? How can they be tested and what observations will show from this?arrow_forward
- Explain observation of gram-negative and gram positive cell wall under electro microscope.arrow_forwardCompare the bacterial cell wall in gram-positive and gram-negative bacteria.arrow_forwardWhat prevents Elodea cells from becoming shriveled up like a blood cell would become if placed in a hypertonic solution?arrow_forward
- Explain your observation of gram positive and gram negative cell wall under a microscopearrow_forwardGram Stain Gram Reaction (Gram- positive or Gram- negative): Cellular morphology (shape & arrangement): _________________________________arrow_forwardName a substance that is unique to acid fast cell walls.arrow_forward
- Explain how the structure of the bacterial cell wall relates to its Gram-stain status?arrow_forwardWhat are the structural differences between Gram-positive and Gram-negative bacteria cell walls? Can you explain what would happen to the cell wall's physical integrity while applying the Gram staining technique?arrow_forwardFigure 22.16 Which of the following statements is true? Gram-positive bacteria have a single cell wall anchored to the cell membrane by lipoteichoic acid. Pori ns allow entry of substances into both Gram-positive and Gram-negative bacteria. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin. Gram-negative bacteria have a cell wall made of peptidoglycan, whereas Gram positive bacteria have a cell wall made of lipoteichoic acid.arrow_forward
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