MICRO. FUND. CONNECT CODE W/VIRTUAL LAB
3rd Edition
ISBN: 9781266313806
Author: Cowan
Publisher: INTER MCG
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Textbook Question
Chapter 5, Problem 1Q
___% of human DNA is thought to consist of viral DNA sequences.
- a. 0.08
- b. 8
- c. 1
- d. 4
- e. 5
Expert Solution & Answer
Summary Introduction
Introduction:
Viruses are considered as the unique biological entities and are obligate intracellular parasites of bacteria, fungi, plants,and animals. They are extremely abundant on the planet. Viruses are non-cellular entities with a definite size, shape and chemical composition. With the help of nucleic acid sequencing techniques, it was possible to determine the picture and number of a variety of viruses on our planet. Viruses have inserted their genetic material permanently into the host cell during infection.
Answer to Problem 1Q
Correct answer:
8% of human DNA is thought to consist of viral DNA sequences. Therefore, option (b) is correct.
Option (b) is given as “8”.
Explanation of Solution
Justify the reasons for the correct statement:
Viruses infect the cell and have the ability to influence their genetic makeup. They alter the way cells, tissues, bacteria, plants,and animals have originated in their present forms. Scientists and researchers estimated that approximately 8% of the human genome consists of viral sequences. This is possible because the viruses have inserted their genetic material permanently into the human DNA.
Hence, option (b) is correct.
Justify the reasons for the incorrect statements:
Option (a) is given as “0.08”.
The human DNA consists of 8% of viral DNA sequence, according to the estimation by scientists. Hence, it is a wrong answer.
Option (c) is given as “1”.
The scientists think that 8% of human DNA consists of the viral DNA sequence. Hence, it is a wrong answer.
Option (d) is given as “45”.
Scientists think that 8% of human DNA consists of viral DNA sequence. Hence, it is a wrong answer.
Hence, options (a), (c) and(d) are incorrect.
Conclusion
8% of human DNA sequence consists of viral DNA sequence due to the alteration in their genetic makeup by a viral infection.
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Chapter 5 Solutions
MICRO. FUND. CONNECT CODE W/VIRTUAL LAB
Ch. 5.1 - Explain what it means when viruses are described...Ch. 5.1 - Identify better terms for viruses than alive or...Ch. 5.1 - Which statements are accurate regarding properties...Ch. 5.2 - Prob. 3AYPCh. 5.2 - Describe the function and structure(s) of viral...Ch. 5.2 - Distinguish between enveloped and naked viruses.Ch. 5.2 - Prob. 6AYPCh. 5.2 - Diagram the possible nucleic acid configurations...Ch. 5.2 - Medical Moment Q. Antibiotics targeting bacteria...Ch. 5.3 - Diagram the five-step life cycle of animal...
Ch. 5.3 - Define the term cytopathic effect and provide one...Ch. 5.3 - Discuss both persistent and transforming...Ch. 5.3 - Provide thorough descriptions of both lysogenic...Ch. 5.3 - Prob. 2NPCh. 5.3 - Prob. 3NPCh. 5.4 - List the three principal purposes of cultivating...Ch. 5.4 - Describe three ways in which viruses are...Ch. 5.4 - Prob. 4NPCh. 5.5 - Prob. 14AYPCh. 5.5 - Prob. 2MMCh. 5.5 - Prob. 5NPCh. 5.6 - Analyze the relative importance of viruses in...Ch. 5.6 - Discuss the primary reason that antiviral drugs...Ch. 5 - ___% of human DNA is thought to consist of viral...Ch. 5 - Prob. 2QCh. 5 - Construct a scenario in which viral latency and...Ch. 5 - Prob. 4QCh. 5 - If viruses that normally form envelopes were...Ch. 5 - Viruses use the host cell cytoplasmic space as...Ch. 5 - The general steps in a viral multiplication cycle...Ch. 5 - Compare and contrast the processes of latency and...Ch. 5 - Pathogenic bacteria lysogenized by phages can...Ch. 5 - When phage nucleic acid is incorporated into the...Ch. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Prob. 13QCh. 5 - Prob. 14QCh. 5 - Prob. 15QCh. 5 - Prob. 16QCh. 5 - Prob. 17QCh. 5 - Construct an argument for whether humans or...Ch. 5 - Since 2000, the number of orders of viruses...Ch. 5 - Prob. 20QCh. 5 - Prob. 21QCh. 5 - Prob. 1VC
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