Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Chapter 16, Problem 11TYK
Summary Introduction
Introduction:
The bacteria produce tough spores during the presence of the harsh conditions of temperature, pressure, oxygen and humidity. These spores have a tough outer wall made up of peptidoglycan. It helps in preventing the destruction of the bacteria; therefore prolonged heating at elevated temperatures is required. The heating at extremely high temperatures is required to break open the spores and kill the tetanus bacteria.
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How do Gram-negative bacteria differ from Gram-positivebacteria?a. They are not pathogenic.b. Their peptidoglycan cell wall is thinner.c. Gram-negative bacteria cannot be Gram stained.d. They possess a single plasma membrane.e. Gram-negative bacteria do not photosynthesize.
was used by Joseph Lister to clean wounds and surgical instruments: A.Antibiotics
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Chapter 16 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 16 - Explain how each of the following characteristics...Ch. 16 - Fill in the blanks on the phylogenetic tree (on...Ch. 16 - Prob. 3TYKCh. 16 - A new organism has been discovered. Tests have...Ch. 16 - Which pair of protists has support structures...Ch. 16 - Prob. 6TYKCh. 16 - Which of the following prokaryotes is not...Ch. 16 - Prob. 8TYKCh. 16 - What characteristic distinguishes true...Ch. 16 - Prob. 10TYK
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- Discuss the importance of these microorganisms in our lives and in nature.arrow_forwardwhich characteristic of clostridium botulinum causes harm to adults? a.production of toxin b. poisonous endospores c. rapid proliferation of bacteria in intestinal tracts d. all of the above caus harm to adults e. non of the above cause harm to adultsarrow_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
- Which of the following prokaryotes lacks cell walls?a. rickettsias c. Mycobacteriumb. mycoplasmas d. archaeaarrow_forwardIf an organisms that is a mixotroph loses its plastids, it survives because A. It has an endospore and becomes dormant until conditions improve B. It has photosystesis by membranes present in the cytoplasm C. since it is also a heterotroph engulfs organic material by phagocytosis or by absorption for nutrition D. uses mitochondria that acquite after loosing its plastidsarrow_forwardA 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_forward
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