Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 6FIB
The plant nutrient ammonium is produced by __________ bacteria in the soil and in nodules. Prokaryotes that live in the digestive tracts of cows and rabbits break down __________ in the leaves that those mammals eat.
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Chapter 20 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 20.1 - describe some differences between bacteria and...Ch. 20.1 - describe the typical sizes and shapes of...Ch. 20.2 - Unwelcome Dinner Guests A few of the bacteria that...Ch. 20.2 - describe the range of environments inhabited by...Ch. 20.2 - As part of a study on the relationship between...Ch. 20.2 - Unpleasant breath odors are caused mainly by...Ch. 20.2 - What might explain the observation that most...Ch. 20.2 - describe adaptations that help protect prokaryotes...Ch. 20.2 - Some of the enzymes that have important uses in...Ch. 20.2 - explain how prokaryotes reproduce and exchange...
Ch. 20.2 - What is the main advantage of prokaryotic fission,...Ch. 20.3 - Unwelcome Dinner Guests Many of the bacteria...Ch. 20.3 - explain how prokaryotes affect animal and plant...Ch. 20.3 - If all of Earths nitrogen-fixing prokaryotes were...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 - Unwelcome Dinner Guests How do harmful bacteria...Ch. 20.4 - describe the structure and characteristics of...Ch. 20.4 - Why are viruses unable to replicate outside of a...Ch. 20.4 - describe the effects they can have on host...Ch. 20.4 - Biotechnologists often use viruses to transfer...Ch. 20 - Prob. 1ACCh. 20 - ____________, have peptidoglycan in...Ch. 20 - The name of the process by which DNA is...Ch. 20 - Describe some of the ways in which prokaryotes...Ch. 20 - Before the discovery of prions, many (perhaps...Ch. 20 - Prokaryotic cells are ____________,...Ch. 20 - A community of prokaryotes surrounded by slime and...Ch. 20 - What are nitrogen-fixing bacteria, and what role...Ch. 20 - Many prokaryotes use ____________ to move about....Ch. 20 - Which of the following statements about archaea is...Ch. 20 - Describe some of the extreme environments in which...Ch. 20 - ____________,bacteria inhabit environments that...Ch. 20 - Viruses a. are usually photosynthetic. b. consist...Ch. 20 - What is an endospore? What is its function?Ch. 20 - Prokaryotes reproduce by ____________ and may...Ch. 20 - Applying fertilizer near an oil spill to Increase...Ch. 20 - What is conjugation? What role do plasmids play in...Ch. 20 - The plant nutrient ammonium is produced by...Ch. 20 - Why are prokaryotes especially useful in...Ch. 20 - Cholera, gonorrhea, and pneumonia are some of the...Ch. 20 - Describe the structure of a typical virus. How do...Ch. 20 - A virus consists of a molecule of __________ or...Ch. 20 - Describe some examples of how prokaryotes are...Ch. 20 - How do archaea and bacteria differ? How do...
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- Agrobacterium tumefaciens carries a _______ that enters dicotyledonous (dicot) plant cells, transforming the cells into tumor cells and causing crown gall disease.arrow_forwardNitrogen ______________ converts _________ to _____ for organisms to use.arrow_forwardI took this picture recently of an organism growing on the surface of a rock. What type of organism is this? Protozoan Eubacteri Cyanobacteria Mushroom Lichenarrow_forward
- Nitrogen fixation is the conversion of nitrogen in present in soil or organisms. Nitrogen fixation is done only by Some bacteria Air to a form that isarrow_forwardBacteria of the genus Listeria, grows best aerobically, but can survive when there is no or very little oxygen. This characteristic classifies them as ___. obligate anaerobes obligate aerobes psychrophiles facultativearrow_forwardClostridium botulinum is a strict anaerobe; that is, it is killed by the molecular oxygen (O2) present in air. Humans can die of botulism from eating foods in which C. botulism is growing. How does this bacterium survive on plants picked for human consumption? Why are home-canned foods most often the source of botulism?arrow_forward
- The rumen is an ________ habitat that depends on ________ to digest cellulose for ruminant animals. anaerobic / cellulolytic and fermentative bacteria aerobic / cellulolytic and oligotrophic bacteria aerobic / cellulolytic mycorhizae anaerobic / methanogensarrow_forwardwhat are the answers to the questions?arrow_forwardI am stuck on my homework α-proteobacteria species are important because ______? Choose all the correct statements below to fill in the blank above. Group of answer choices they can serve as mutualistic symbionts they can serve as parasitic symbionts they once served as a mutualistic symbiont to produce the mitochondria their lineage gave rise to the lineage of all eukaryotesarrow_forward
- Ruminants (like cattle) are herbivores but lack the necessary enzymes to digest cellulose from plants. Part of the digestive tract of ruminants contains a microbial community that can break down cellulose. These microbes gain energy from the plant material, and byproducts of their metabolism provide the host with a source of Carbon and energy. What type of symbiosis does this relationship describe?arrow_forwardwhat is the answer to the question?arrow_forwardWhat terms would describe a prokaryote that has is covered in a thick peptidoglycan layer, gets its energy from eating other prokaryotes, and does not need oxygen to survive? Aerobic Anaerobic Autotroph Heterotroph Extremophile Gram-positive Gram-negativearrow_forward
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Prokaryotic vs. Eukaryotic Cells (Updated); Author: Amoeba Sisters;https://www.youtube.com/watch?v=Pxujitlv8wc;License: Standard youtube license