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Chapter 9: Problem 9

Viruses and bacteria have which of the following in common? (A) Ribosomes (B) Nucleic acids (C) Flagella (D) Metabolism

Short Answer

Expert verified
Both viruses and bacteria have nucleic acids in common. Bacteria have a simple, circular DNA molecule, while viruses can have DNA or RNA as their genetic material. So, the correct answer is (B) Nucleic acids.

Step by step solution

01

Option A: Ribosomes

Ribosomes are cellular structures that synthesize proteins. Bacteria have ribosomes to carry out protein synthesis. However, viruses lack ribosomes, as they rely on the host cell's machinery to synthesize proteins. So, this option is not correct.
02

Option B: Nucleic acids

Nucleic acids are the genetic material that carries the information needed for an organism to survive, grow, and reproduce. Both viruses and bacteria have nucleic acids in their structures. Bacteria have a simple, circular DNA molecule, while viruses can have DNA or RNA as their genetic material. So, this option is correct.
03

Option C: Flagella

Flagella are tail-like structures that some living organisms use for locomotion. Some bacteria have flagella to move around. However, most viruses do not have flagella, and their locomotion depends on the transmission from one host cell to another. So, this option is not correct.
04

Option D: Metabolism

Metabolism refers to the biochemical reactions that take place within a living organism to maintain life. Bacteria, as living organisms, have various metabolic processes for energy production and biomass synthesis. In contrast, viruses cannot carry out metabolic processes independently, as they are not considered living organisms. They require a host cell's machinery for replication and energy production. So, this option is not correct. Based on the analysis, the correct answer is: (B) Nucleic acids

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Most popular questions from this chapter

A researcher uses molecular biology techniques to insert a human lysosomal membrane protein into bacterial cells to produce large quantities of this protein for later study. However, only small quantities of this protein result in these cells. What is a possible explanation for this result? (A) The membrane protein requires processing in the ER and Golgi, which are missing in the bacterial cells. (B) Bacteria do not make membrane proteins. (C) Bacteria do not use different transcription factors than humans, so the gene was not expressed. (D) Bacteria do not have enough tRNAs to make this protein sequence.

DNA replication occurs through a complex series of steps involving several enzymes. Which of the following represents the correct order beginning with the earliest activity of enzymes involved in DNA replication? (A) Helicase, ligase, RNA primase, DNA polymerase (B) DNA polymerase, RNA primase, helicase, ligase \(\quad\) (C) RNA primase, DNA polymerase, ligase, helicase \(\quad\) (D) Helicase, RNA primase, DNA polymerase, ligase

A eukaryotic gene, which does not normally undergo splicing, was exposed to benzopyrene, a known carcinogen and mutagen. Following exposure, the protein encoded by the gene was shorter than before exposure. Which of the following types of genetic rearrangements or mutations was likely introduced by the mutagen? (A) Silent mutation (B) Missense mutation (C) Nonsense mutation (D) Duplication

During post-translational modification, the polypeptide from a eukaryotic cell typically undergoes substantial alteration that results in (A) excision of introns (B) addition of a poly(A) tail (C) formation of peptide bonds (D) a change in the overall conformation of a polypeptide

If a messenger RNA codon is UAC, which of the following would be the complementary anticodon triplet in the transfer RNA? (A) ATG (B) \(\mathrm{AUC}\) (C) \(\mathrm{AUG}\) (D) ATT
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