Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 17, Problem 8TYK

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.

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Which 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.
Give typing answer with explanation and conclusion . Which of the following statement is INCORRECT? A. Zoonotic diseases are diseases transmitted from animals to humans B. One source of antibiotic-resistance genes is the original antibiotic-producing organisms themselves. C. Nosocomial diseases are diseases one acquires while staying in a healthcare facility. D. A virus with a high LD50 is likely to spread rapidly and become pandemic.
In which way can infectious agents pass between humans and other animals? a. from animals to humans b. from humans to animals c. Both of the above are possible. d. Neither a nor b is possible.
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What Is A Virus ? ; Author: Peekaboo Kidz;https://www.youtube.com/watch?v=YS7vsBgWszI;License: Standard YouTube License, CC-BY