Biological Science
Biological Science
5th Edition
ISBN: 9780321743671
Author: Scott Freeman
Publisher: PEARSON
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Chapter 36, Problem 1TYK
Summary Introduction

Introduction:

The viruses are small biological infectious agents that can replicate inside the cells of other living organisms only. They are simple particles that require a host cell to replicate and survive.

Expert Solution & Answer
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Answer to Problem 1TYK

Correct answer:

The host cells provide ATP (adenosine triphosphate), nucleotides, amino acids, and ribosomes to the viruses for their growth and development.

Explanation of Solution

Explanation/Justification for the correct answer:

Option (d) is given as all of the above. The viruses cannot make their own ATP, nucleotides, amino acids, and ribosomes. The virus cannot synthesize their own proteins. The virus enters the host cell to survive. The host cell provides the energy (ATP) to the viruses inhabiting it. It also provides nucleotides for nucleic acid synthesis and amino acids and ribosomes for the protein synthesis in the viruses. Hence, option (d) is correct.

Explanation for the incorrect answers:

Option (a) is given as nucleotides and amino acids. Host cell provides amino acids as well as nucleotides for viral growth and development. The entities like ATP and ribosomes are also provided by the host cell to the virus. So, it is an incorrect option.

Option (b) is given as ribosomes. Host cell provides ribosomes to the viruses that serve as the site for protein synthesis. Nucleotides, amino acids, and ATP are also provided by the host cell. So, it is an incorrect option.

Option (c) is given as ATP. The ATP is provided by the host cell to the viruses to carry out various cellular activities. Nucleotides, amino acids, as well as ribosomes are also provided by the host cell. So, it is an incorrect option.

Hence, options (a), (b), and (c) are incorrect.

Conclusion

Therefore, it can be concluded that the host cells provide energy, proteins, nucleotides, ribosomes, and amino acids to the viruses for their development and growth.

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What Is A Virus ? ; Author: Peekaboo Kidz;https://www.youtube.com/watch?v=YS7vsBgWszI;License: Standard YouTube License, CC-BY