Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 23, Problem 3CCQ
Summary Introduction
To determine:
The importance of endospore in human life.
Introduction:
The endospore can be described as an important non-reproductive dormant structure formed by bacteria. It helps in the survival of the bacteria in a stressed condition, and it shifts back to the non-dormant stage when the conditions are favorable.
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Students have asked these similar questions
These structures allow bacteria to have reserve deposits of lipids or gasses.
O a)
inclusions
Ob) ribosomes
Oc) endospores
Microbiologists have announced the discovery of over 30 new species of bacteria that thrive between the teeth and gums of humans. The bacteria could not be grown in the researcher's laboratories, nor were any of them ever observed via and kind of microscopy.
If they couldn't culture them or see them, how could the researchers know they discovered a new species? If they couldn't examine the cells for the presence of a nucleus, how did they determine that the organisms were prokaryotes and not eukaryotes?
Some groups of bacteria can go dormant during periods of environmental stress through the formation of _______.
A) magnetosomes
B) peptidoglycan
C) endospores
D) pili
Chapter 23 Solutions
Principles of Biology
Ch. 23.1 - Prob. 1TYKCh. 23.1 - Prob. 2TYKCh. 23.2 - Prob. 1TYKCh. 23.2 - Prob. 2TYKCh. 23.3 - Prob. 1CCCh. 23.3 - Prob. 1TYKCh. 23.3 - What essential role did early alphaproteobacteria...Ch. 23.4 - Prob. 1CCCh. 23.4 - Which structure is associated with motility in one...Ch. 23.5 - In which of the hosts does sexual mating of P....
Ch. 23.5 - Prob. 1TYKCh. 23.6 - Prob. 1CCCh. 23.6 - Prob. 2CCCh. 23.6 - Prob. 1BCCh. 23.6 - Prob. 1TYKCh. 23.7 - Prob. 1TYKCh. 23 - Prob. 1TYCh. 23 - Prob. 2TYCh. 23 - Prob. 3TYCh. 23 - Prob. 4TYCh. 23 - Prob. 5TYCh. 23 - The protists most closely related to the fungal,...Ch. 23 - Prob. 7TYCh. 23 - Prob. 8TYCh. 23 - People use bacteria, protists, or fungi to: make...Ch. 23 - Prob. 1CCQCh. 23 - Prob. 2CCQCh. 23 - Prob. 3CCQCh. 23 - Prob. 1CBQCh. 23 - Prob. 2CBQ
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- Which 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_forwardAlexander Fleming was working with bacteria called staphylococcus, which looked like bunches of grapes under the microscope. He could grow colonies of these bacteria on petri dishes with a growth medium. When he returned from vacation, he found that several of these dishes had become contaminated with a fungus. The colonies near where the fungus was growing had been destroyed. Fleming then grew the mold and purposefully added it to a petri dish that contained bacteria colonies. The colonies exposed to the mold died. Fleming named the substance within the mold that killed bacteria "penicillin." REASONING: If mold contains a substance that kills bacteria, then ... a) bacteria exposed to mold would be destroyed b) bacteria could be grown on a growth medium c) fungus can be grown as easily as bacteriaarrow_forwardThe peptidoglycan of bacteria has been compared with the chainmail worn beneath medieval knight’s suits of armor. It provides both protection and flexibility. Describe other structures in biology that have an analogous function. How are they replaced or modified to accommodate the growth of the inhabitant.arrow_forward
- Oxygen in the atmosphere is essential for human life. How can some bacteria grow in the absence of oxygen?arrow_forwardThe peptidoglycan of bacteria has been compared with the chain mail worn beneath a medieval knight’s suit of armor. It provides both protection and flexibility. Describe other structures in biology that have an analogous function. How are they replaced or modified to accommodate the growth of the inhabitant?arrow_forwardIndicate whether the following structures occur in Bacteria, Eukarya or both. Also indicate one function for the structure. 1 ) Ribosomes2) Nucleus3) Cell wall4) Flagella5) Fimbriaearrow_forward
- A bacterium has the following characteristics: I. It adheres to the human intestinal lining using a feature that protects it from phagocytes , bacteriophages, and dehydration. II. It can survive being boiled. III. It contains no plasmids and relatively little peptidoglycan. Which of the following characteristics allows this bacteria to survive in a human who is taking penicillin pills? A. gram-negative cell wall B. peptidoglycan in the cell wall C. lipopolysaccharides in the cytoplasm D. long polypeptides in the cell wallarrow_forwardA newly developed super chemical, Toxotene, is developed by Evil Science, Inc. While transporting their latest shipment across the Atlantic Ocean, the Toxotene container on the ship springs a leak, spraying Toxotene into the ocean. As an expert biologist, you are tasked with developing a plan to clean up the spill. Being an organic chemical, what type of bacterial species would you use to clean up the spill? Why?arrow_forwardWhy do some cells create endospores?arrow_forward
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