Nester's Microbiology: A Human Perspective
8th Edition
ISBN: 9780077730932
Author: Anderson
Publisher: MCG
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Textbook Question
Chapter 1, Problem 9MC
Viruses
1.contain both protein and
2.infect all domains of life.
3.can grow in the absence of living cells.
4.are generally the same size as prokaryotes.
5.always kill the cells they infect.
a) 1,2
b) 2,3
c) 3,4
d) 4,5
e) 1,5
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Viruses1. contain both protein and nucleic acid.2. infect all domains of life.3. can grow in the absence of living cells.4. are generally the same size as prokaryotes.5. always kill the cells they infect.a) 1, 2b) 2, 3c) 3, 4d) 4, 5e) 1, 5
Viruses contain either DNA or RNA. Viruses possess their own metabolic system
a. FIRST statement is TRUE; SECOND statement is FALSE
b. BOTH Statements are TRUE
c. FIRST statement is FALSE; SECOND statement is TRUE
d. BOTH statements are FALSE
3- why are bacteria becoming more resistant to antibiotics ? *
a- Bacteria are changing and evolving
b- Humans are using antibiotics incorrectly
c- Antibiotics are becoming weaker
d- Humans are becoming weaker
Chapter 1 Solutions
Nester's Microbiology: A Human Perspective
Ch. 1 - How did Louis Pasteur help disprove spontaneous...Ch. 1 -
2. Describe the scientific method.
Ch. 1 - Explain why life could not exist without the...Ch. 1 - How is the normal microbiota important to human...Ch. 1 -
5. List four commercially important benefits of...Ch. 1 - What characteristics of microorganisms make them...Ch. 1 - Prob. 7SACh. 1 - In the designation Escherichia coli B. which part...Ch. 1 -
9. Why are viruses not microorganisms?
Ch. 1 - Name three non-living groups in the microbial...
Ch. 1 - The property of endospores that led to confusion...Ch. 1 -
2. The Golden Age of Microbiology was the time...Ch. 1 - If all prokaryotes were eliminated from the...Ch. 1 - Prob. 4MCCh. 1 -
5. All of the following are biological domains...Ch. 1 -
6. Which name is written correctly?
a)...Ch. 1 -
7. Members of which pairing are most similar in...Ch. 1 -
8. If you wanted to increase your chances of...Ch. 1 -
9. Viruses
1. contain both protein and nucleic...Ch. 1 - Antony van Leeuwenhoek could not have observed a)...Ch. 1 - The American Society for Microbiology is preparing...Ch. 1 - If you were asked to nominate one of the...Ch. 1 - A microbiologist obtained two pure biological...Ch. 1 - Why would archaea that grow in extreme...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following refer/s to viruses? A. They are disease-causing. B. They contain DNA or RNA. C. They must have protection for their own genetic material. D. They are parasitic. A, B, C only A, B, C, D A, C, D B, C, Darrow_forwardViruses consist of either DNA or RNA wrapped inside a protein coat. Are viruses considered alive? A. Yes, because they contain DNA. B. Yes, because they contain DNA and proteins. C. No, because they lack carbohydrates and lipids. D. No, because some viruses use RNA as the main genetic molecule.arrow_forwardWhich of the following statements correctly describes viruses? Select one: A. They can reproduce by dividing. B. They cannot reproduce without a host cell. C. They have a genome similar to prokaryotic and eukaryotic cells. D. They can carry out their own metabolic activities.arrow_forward
- Compare and contrast between Bacteria and Viruses (4 differences, 4 similarities)arrow_forwardWhich of the following statements concerning viruses and human health is false? a-in many diseases caused by viruses, the virus attacks cells as it reproduces b- many viral diseases can be controlled through vaccinations c- some viruses can remain dormant in the body for years before disease symptoms appear d-most viral infections are difficult to treat, but they can be finally destroyed by antibioticsarrow_forwardWhich of the following characteristics, structures,or processes is common to both bacteria andviruses?(A) metabolism(B) ribosomes(C) genetic material composed of nucleic acid(D) cell divisionarrow_forward
- A microbiologist obtained two pure biological samples: one of a virus, and the other of a viroid. Unfortunately, the labels had been lost. The microbiologist felt she could distinguish the two by analyzing for the presence or absence of a single molecule. What molecule would she search for and why?arrow_forwardThere have been recurring cases of mad-cow disease in the United Kingdom since the mid-1990s. Mad-cow disease is caused by a prion, an infectious particle that consists only of protein. In 1986, the media began reporting that cows all over England were dying from a mysterious disease. Initially, there was little interest in determining whether humans could be affected. For 10 years, the British government maintained that this unusual disease could not be transmitted to humans. However, in March 1996, the government did an about-face and announced that bovine spongiform encephalopathy (BSE), commonly known as mad-cow disease, can be transmitted to humans, where it is known as variant Creutzfeldt-Jakob disease (vCJD). As in cows, this disease eats away at the nervous system, destroying the brain and essentially turning it into a spongelike structure filled with holes. Victims experience dementia; confusion; loss of speech, sight, and hearing; convulsions; coma; and finally death. Prion diseases are always fatal, and there is no treatment. Precautionary measures taken in Britain to prevent this disease in humans may have begun too late. Many of the victims contracted it over a decade earlier, when the BSE epidemic began, and the incubation period is long (vCJD has an incubation period of 10 to 40 years). A recent study concluded that 1 in 2,000 people in Great Britain carry the abnormally folded protein that causes vCJD. In spite of these numbers, the death rate from vCJD remains low. It is not clear whether this means that the incubation period for the disease is much longer than previously thought, or whether they may never develop the disease. If you were traveling in Europe, would you eat beef? Give sound reasons why or why not.arrow_forwardThere have been recurring cases of mad-cow disease in the United Kingdom since the mid-1990s. Mad-cow disease is caused by a prion, an infectious particle that consists only of protein. In 1986, the media began reporting that cows all over England were dying from a mysterious disease. Initially, there was little interest in determining whether humans could be affected. For 10 years, the British government maintained that this unusual disease could not be transmitted to humans. However, in March 1996, the government did an about-face and announced that bovine spongiform encephalopathy (BSE), commonly known as mad-cow disease, can be transmitted to humans, where it is known as variant Creutzfeldt-Jakob disease (vCJD). As in cows, this disease eats away at the nervous system, destroying the brain and essentially turning it into a spongelike structure filled with holes. Victims experience dementia; confusion; loss of speech, sight, and hearing; convulsions; coma; and finally death. Prion diseases are always fatal, and there is no treatment. Precautionary measures taken in Britain to prevent this disease in humans may have begun too late. Many of the victims contracted it over a decade earlier, when the BSE epidemic began, and the incubation period is long (vCJD has an incubation period of 10 to 40 years). A recent study concluded that 1 in 2,000 people in Great Britain carry the abnormally folded protein that causes vCJD. In spite of these numbers, the death rate from vCJD remains low. It is not clear whether this means that the incubation period for the disease is much longer than previously thought, or whether they may never develop the disease. What measures have been taken to stop BSE?arrow_forward
- An infectious material is isolated from a nerve cell. It contains protein with amino acid sequences identical to the host protein but no nucleic acids. It belongs to the group: a. prions. b. Archaea. c. toxin producers. d. viroids. e. spore formers.arrow_forwardOrganisms most likely to be found in extreme environments are. fungi bacteria viruses archaeaarrow_forwardA scientist discovers a new virus with a linear, RNA genome surrounded by a helical capsid. The virus is most likely a member of which family based on structure classification? Rabies virus Herpesviruses Retroviruses Influenza virusesarrow_forward
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What Is A Virus ? ; Author: Peekaboo Kidz;https://www.youtube.com/watch?v=YS7vsBgWszI;License: Standard YouTube License, CC-BY