Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134256283
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 5FTB
Prokaryotes reproduce by _____and may sometimes exchange genetic material through the process of ___.
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Which of the following descriptions is true only of prokaryotes? (a) They reproduce through binary fission. (b) Their genetic material is DNA. (c) They are unicellular. (d) They contain organelles within the cell. (e) none of the above
The production of by prokaryotes increased its atmospheric concentration and enabled more complex forms of life to evolve. (a) carbon dioxide (b) oxygen (c) nitrogen (d) all of the above
Among prokaryotes, only the cyanobacteria ________ .a. live near hydrothermal ventsb. produce oxygen during photosynthesisc. cannot tolerate oxygend. have a nucleus-like structure
Chapter 20 Solutions
Biology: Life on Earth (11th Edition)
Ch. 20 - The name of the process by which DNA is...Ch. 20 - Prob. 2MCCh. 20 - Prob. 3MCCh. 20 - 4. Viruses
a. are usually...Ch. 20 - Prob. 5MCCh. 20 - _______have peptidoglycan in their _____, but____...Ch. 20 - Prob. 2FTBCh. 20 - 3. Many prokaryotes use _____ to move about. Some...Ch. 20 - _____ bacteria inhabit environments that lack...Ch. 20 - 5. Prokaryotes reproduce by _____and may sometimes...
Ch. 20 - 6. The plant nutrient ammonium is produced by___...Ch. 20 - Prob. 7FTBCh. 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 - Prob. 4RQCh. 20 - What is conjugation? What role do plasmids play in...Ch. 20 - 6. 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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- Your friend believes that prokaryotes are always detrimental and pathogenic. How would you explain to them that they are wrong?arrow_forwardWhich of these do all prokaryotes and eukaryotes share? a. nuclear envelope b. cell walls c. organelles d. plasma membranearrow_forwardWhich of the following consist of prokaryotic cells? a. bacteria and fungi b. archaea and fungi c. protists and animals d. bacteria and archaeaarrow_forward
- Which of the following organisms is a prokaryote? fungus algae protozoa archaea both archaea and protozoaarrow_forwardBoth bacteria and archaea used to be known as prokaryotes. True or false?arrow_forwardWhat would be the consequences for eukaryotes if all prokaryotessuddenly became extinct?arrow_forward
- Which of the following prokaryotes lacks cell walls?a. rickettsias c. Mycobacteriumb. mycoplasmas d. archaeaarrow_forwardWhich of the following involves metabolic cooperation among prokaryotic cells? (A) binary fission (B) endospore formation (C) biofilms (D) photoautotrophyarrow_forwardWhich of the following includes prokaryotic organisms?a. protists b. fungi c. archaea d. plantsarrow_forward
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