Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 2R
Endospore formation is called (a) _____. It is initiated by (b) _____. Formation of a new cell from an endospore is called (c) _____. This process is triggered by (d) _____.
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Endospores are.....
is the answer a, b, c, d, or e?
a - metabolically inactive.
b - resistant to heat and chemical destruction.
c - formed by certain gram + bacteria through sporulation.
d - able to germinate when conditions are good.
e - All of the choices are correct.
Outline the process of endospore formation and germination
A. iMAGE 1
1. What is a special characteristic of the microorganism shown?
CHOICES: A.It shows colonies in clusters. ,B.It's movement is aided by its, C.monotrichous flagella., D.It's cells occur in pairs., E.It contains a waxy lipid on its walls., F.It has an endoflagella. ,GIt contains an endospore., H.It shows colonies in chains. I.It's movement is aided by its peritrichous flagella. J. It is eukaryotic.
2. What staining method is done?
CHOICES: A. Ziehl-Neelsen Stain, B. Schaeffer C. Fulton Stain, D. Flagella Stain, E. Gram Stain, F. KOH MounT
3.How do you describe the shape of the microorganism ?
CHOICES:A. Filamentous B. Cocci ,C. possible ,D. Spirochete, E. Bacilli ,F. Pleomorphic
4. How do you describe the shape of the microorganism?
CHOICES:A. Staphylococcus aureus ,B. Vibrio cholerae, C. Leptospira interrogans, D. Escherichia coli ,E. Malassezia furfur ,F. Neisseria gonorrhoeae ,G. Streptococcus pyogenes , H. Bacillus anthracis, I. Mycobacterium tuberculosis
5. What could…
Chapter 4 Solutions
Microbiology: An Introduction
Ch. 4 - DRAW IT Diagram each of the following flagellar...Ch. 4 - Endospore formation is called (a) _____. It is...Ch. 4 - DRAW IT Draw the bacterial shapes listed in (a),...Ch. 4 - Match the structures in column A to their...Ch. 4 - Why is an endospore called a resting structure? Of...Ch. 4 - Compare and contrast the following a. simple...Ch. 4 - Prob. 7RCh. 4 - Starch is readily metabolized by many cells, but a...Ch. 4 - Match the characteristics of eukaryotic cells in...Ch. 4 - NAME IT What group of microbes is characterized by...
Ch. 4 - Which of the following is not a distinguishing...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which of the following statements best describes...Ch. 4 - Which of the following is false about fimbriae? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - You have isolated a motile, gram-positive cell...Ch. 4 - The antibiotic amphothericin B disrupts plasma...Ch. 4 - How can prokaryotic cells be smaller than...Ch. 4 - The smallest eukaryotic cell is the motile alga...Ch. 4 - Two types of prokaryotic cells have been...Ch. 4 - In 1985, a 0.5-mm cell was discovered in...Ch. 4 - When E. coli cells are exposed to a hypertonic...Ch. 4 - Clostridium botulinum is a strict anaerobe; that...Ch. 4 - A South San Francisco child enjoyed bath time at...Ch. 4 - Live cultures of Bacillus thuringiensis (Dipel)...
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- What do we call cells that do not contain an endospore? a)lysogenic cells b)mother cells c)vegetative cells d)endospore cells e)vegetable cellsarrow_forwardWhy does the endospore retain the green stain, while the ordinary cells do not?arrow_forwardMicrobiologists use the Gram stain to differentiate among two groups of bacteria. How do Gram-positive and Gram-negative bacteria differ? Question 1 options: the presence or absence of peptidoglycan in the cell wall the presence or absence of muramic acid in the cell wall the presence or absence of outer plasma membrane the lipid composition of plasma membrane none of the above.arrow_forward
- Why are other microorganisms have endospores but others do not have?arrow_forwardEndospores : A. are a dormant form of a bacterium AND are formed by members of medically relevant groups of bacteria. B. are a form of reproduction AND are formed by members of medically relevant groups of bacteria. C. are a dormant form of a bacterium AND are involved in anaerobic respiration. D. are formed by members of medically relevant groups of bacteria AND are involved in anaerobic respiration.arrow_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
- Explain why a jar of jelly can be left open on the kitchen counter for prolonged periods of time, yet no mold or bacteria will grow on it?arrow_forwardWhy is biofilm development in catheters (tubes that can be inserted into a body cavity, duct or vessel which allow drainage or injection of fluids) such a dangerous source of infection in hospitals?arrow_forwardWhich of the following is NOT true about bacterial endospores? A. They are produced by bacteria of the genus Bacillus and Clostridium B. They are “resting cells” for survival during adverse environmental conditions C. Resistant to desiccation (drying), heat, and chemicals D. Formed by walling off one end of the bacterial cell and surrounding it with a thick spore coat E. They represent a type of reproduction because their formation results in an increase in the number of bacterial cellsarrow_forward
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