Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 20, Problem 7FIB
Cholera, gonorrhea, and pneumonia are some of the diseases caused by pathogenic __________. Harmful strains of E. coli can be transmitted to humans by consumption of __________, __________, or
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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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- Which of the following is NOT caused by a bacterial pathogen? a. Influenza b. Cholera c. Diphtheria d. Tetanus e. Plaguearrow_forwardIf you read that coliforms had been found in a lake, the report could have been referring to which of the following genera?a) Bacteroides b) Bifidobacterium c) Clostridiumd) Escherichia e) Streptococcusarrow_forwardWhich of the following statements correctly describes exotoxins and endotoxins produced by various bacteria? A. endotoxins are secreted into the environment while the bacteria are still alive B. exotoxins are secreted into the environment while the bacteria are still alive C. exotoxins are only released into the environment when the bacteria die and their cell walls break down D. exotoxins are components of the outer membrane of the bacteria that produce themarrow_forward
- Explain how E.coli helps in human digestion. Please include following points: Mutualistic relationship with its host organism Both gain benefits Helps the host with absorption of Vitamin K Host provides a safe environment to E.coli Helps the digestion process and food breakdown E.coli obtains food from host organismarrow_forwardThe bacterium Staphylococcus aureus is commonly found in the nasal cavity of healthy people. If inhaled into the lungs, however, it may cause pneumonia. Staphylococcus aureus is best described as a parasite. both resident microbiota and opportunistic pathogen. a mutualist symbiotic partner. resident microbiota. an opportunistic pathogen.arrow_forwardA student argues that it makes no sense to be concerned about coliforms in drinking water because they are harmless members of our normal microbiota. Explain why regulatory agencies are concerned about coliforms.arrow_forward
- Which of the following diseases is least likely to be transmitted by water?a) Hepatitis Ab) Cholerac) Shigellosisd) Trachomae) Typhoidarrow_forwardAll of the following are emerging infectious diseases excepta) smallpox.b) hepatitis C.c) Lyme disease.d) hantavirus pulmonary syndrome.e) mad cow disease.arrow_forwardWhich of the following types of pathogenic prokaryotes cause cholera? A. archaea that release an exotoxin B. archaea that release an endotoxin C. bacteria that release an exotoxin D. bacteria that release an endotoxinarrow_forward
- Which of the following disease is non-communicable in nature?A. Cholera B. Chicken-pox C. Tuberculosis D. Cancerarrow_forwardWhich of the following diseases is NOT caused by a bacterium? Group of answer choices A) Epidemic typhus B) Typhoid fever C) Malaria D) Plaguearrow_forwardEscherichia coli is a good indicator of water pollution because this bacterium Group of answer choices -grows only in high-salt environments -forms spores -is commonly found in human intestines -is resistant to most antibiotics -undergoes mutations readily Waterborne diseases begin as -infections -intoxications -diseases -abrasions A major organism considered to cause food-borne infection is Group of answer choices -Salmonella. -Staphylococcus. -Pseudomonas. -Bacillus.arrow_forward
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