Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 20.2, Problem 1TC
What might explain the observation that most species of endospore-forming bacteria live in soil?
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Chapter 20 Solutions
Biology
Ch. 20.1 - describe some differences between bacteria and...Ch. 20.1 - describe the typical sizes and shapes of...Ch. 20.2 - What might explain the observation that most...Ch. 20.2 - Unwelcome Dinner Guests A few of the bacteria that...Ch. 20.2 - Some of the enzymes that have important uses in...Ch. 20.2 - Unpleasant breath odors are caused mainly by...Ch. 20.2 - As part of a study on the relationship between...Ch. 20.2 - What is the main advantage of prokaryotic fission,...Ch. 20.2 - describe the range of environments inhabited by...Ch. 20.2 - describe adaptations that help protect prokaryotes...
Ch. 20.2 - explain how prokaryotes reproduce and exchange...Ch. 20.3 - If all of Earths nitrogen-fixing prokaryotes were...Ch. 20.3 - Unwelcome Dinner Guests Many of the bacteria...Ch. 20.3 - explain how prokaryotes affect animal and plant...Ch. 20.3 - explain prokaryotes role in nutrient recycling?Ch. 20.3 - describe how prokaryotes help clean up pollution?Ch. 20.3 - describe some of the pathogenic bacteria that...Ch. 20.4 - Why are viruses unable to replicate outside of a...Ch. 20.4 - Biotechnologists often use viruses to transfer...Ch. 20.4 - describe the structure and characteristics of...Ch. 20.4 - describe the effects they can have on host...Ch. 20.4 - Prob. 3CYLCh. 20.4 - Unwelcome Dinner Guests How do harmful bacteria...Ch. 20 - The name of the process by which DNA is...Ch. 20 - A community of prokaryotes surrounded by slime and...Ch. 20 - Which of the following statements about archaea is...Ch. 20 - Viruses a. are usually photosynthetic. b. consist...Ch. 20 - Applying fertilizer near an oil spill to Increase...Ch. 20 - ____________, have peptidoglycan in...Ch. 20 - Prokaryotic cells are ____________,...Ch. 20 - Many prokaryotes use ____________ to move about....Ch. 20 - ____________,bacteria inhabit environments that...Ch. 20 - Prokaryotes reproduce by ____________ and may...Ch. 20 - The plant nutrient ammonium is produced by...Ch. 20 - Cholera, gonorrhea, and pneumonia are some of the...Ch. 20 - A virus consists of a molecule of __________ or...Ch. 20 - Describe some of the ways in which prokaryotes...Ch. 20 - What are nitrogen-fixing bacteria, and what role...Ch. 20 - Describe some of the extreme environments in which...Ch. 20 - What is an endospore? What is its function?Ch. 20 - What is conjugation? What role do plasmids play in...Ch. 20 - Why are prokaryotes especially useful in...Ch. 20 - Describe the structure of a typical virus. How do...Ch. 20 - Describe some examples of how prokaryotes are...Ch. 20 - How do archaea and bacteria differ? How do...Ch. 20 - Prob. 1ACCh. 20 - Before the discovery of prions, many (perhaps...
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- Endospores are a) resistant to extreme temperatures b) produced by some prokaryotes c) can survive for decades d) all of the abovearrow_forwardA prokaryotic cell hitched a rideto planet earth on a space shuttle from some unknown planet. The oiganism is a psychrophile, an obligate halophile and an abligate aerobe. a) Based on the charateristics of this microbe, describe the planet (3 descriptors) b) Could this organism survive on your kitchen counter? and why?arrow_forwardWhat features of the endospore contribute to its resistance to harsh conditions?arrow_forward
- Of what importance are spore-forming bacteria in the food industry?arrow_forwardWhat is the process by which bacteria convert nitrogen gas in the air to ammonia ?arrow_forwardWhich among statements A-D is not applicable to endospore formation? A) O It is likely to occur during the log phase of growth. B) O Formation of a mother cell occurs during the process. C) OIt is a property found in members of genus Bacillus and genus Clostridium. D) O Dipicolinic acid and calcium ions play an important role in making the spore highly resistant to environmental conditions, E) OA-D are all are applicable to endospore formationarrow_forward
- Where would you expect to find purple sulfur bacteria in nature?arrow_forwardWhy do low concentrations of alcohol inhibit Gram-negative bacteria more than Gram-positive bacteria? Explain how the alcohol interacts with: 1) Gram-negative cell wall structures 2) Gram-positive cell wall structuresarrow_forwardWhy would farmers be concerned about nitrifying bacteria?arrow_forward
- discuss at least five different examples of extremophiles on Earth and discuss how they thrive in their special environments (or, each person can choose one extremophile to research and share with the rest of the group). Extrapolate these extreme survival abilities to the kinds of life that might be able to survive in the very different environments throughout our Solar System? Do you think that watery places like Europa or Enceladus would be a better environment to search for life as opposed to somewhere like the clouds of Venus? Why or why not? For more information on possible life in Venus' atmosphere,arrow_forwardBrocadia anammoxidans is required to rid of ammonia from sewer water in the treatment method, one of its main biotechnological uses. Hence, these are related to some denitrifying bacteria. What are other denitrifying bacteria that are related to this?arrow_forwardWhich of the following is typically found in aquatic bacteria, especially among phototrophic types, and used for positioning in the water column A) O gas vesicle B) O sulfur granules C) O nanotubules D) Oglycogen E) O metachromatic granulesarrow_forward
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