Which of the following is inconsistent with the central dogma? a) An RNA molecule that can self-replicate b) A chromosome that is duplicated before cell division c) A protein that converts its own amino acid sequence into a DNA sequence d) A retrovirus (e.g. HIV) that transcribes its RNA genome into DNA inside its host e) A gene being translated into a protein

Which of the following is inconsistent with the central dogma? a) An RNA molecule that can self-replicate b) A chromosome that is duplicated before cell division c) A protein that converts its own amino acid sequence into a DNA sequence d) A retrovirus (e.g. HIV) that transcribes its RNA genome into DNA inside its host e) A gene being translated into a protein

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter24: Viruses And Subviral Agents

Section: Chapter Questions

Problem 10TYU: Arrange the following list into the correct sequence for part of the cycle of a retrovirus: 1. dsDNA...

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A virus (bacteriophage) attaches to a host bacterial cell, inserts the viral DNA into the cell. Right away, the DNA from the virus is is replicated, and synthesis of viral components occurs in the cytoplasm. Which of the following describes what is occurring here? A lytic cycle of bacteriophage replication. Entry to the lysogenic cycle. Horizontal gene transfer. Integration of a prophage into the host genome.
Which of the following self-replicating biological agents carries only one polynucleotide chain as its genetic material, does not code for any proteins, and does not have any nucleocapsid? the RNA virusoid known as hepatitis delta virusoid the single-stranded RNA virus known as human immunodeficiency virus the double-stranded RNA virus known as rotavirus the double-stranded DNA virus known as pandoravirus the RNA viroid known as citrus exocortis viroid The human precancerous disorder known as xeroderma pigmentosum is caused by which of the following mutagenic conditions? thymine dimers demethylation deacetylation depurination deamination 7. Who discovered that DNA synthesis in the intact chromosomes of rapidly-growing bacterial cells is continuous on the leading strand, but discontinuous on the lagging strand? Rosalind Franklin and Maurice Wilkins Matthew Meselson and Franklin Stahl Erwin Chargaff and Arthur Kornberg Reiji Okazaki and Tuneko Okazaki James Watson and…
The Ebola virus is an enveloped, helical ssRNA virus that replicates quickly. Given this information, which one of the following is a reason why Ebola infection is difficult to fight (both by our bodies and by treatments)? Question 6 options: Because it has many genes and thus replication is slow. Because it doesn't have a membrane. Because viral RNA polymerases make a lot of mistakes. Because it can integrate into the host cell DNA.
Assume you isolate a single stranded (+) RNA virus. When you examine the proteins in the virus, you find that it does NOT contain replicase enzymes within its capsid. Which of the following is true? This virus must have a gene that encodes replicase. This virus will not be able to enter a host cell. Its genome cannot be translated (the process of translation) by the host cell ribosomes. A DNA copy of the viral genome has to be made before viral genes are expressed. This virus must lack surface antigens.
The Ebola virus is an enveloped, helical ssRNA virus that replicates quickly. Given this information, which one of the following is a reason why Ebola infection is difficult to fight (both by our bodies and by treatments)? Question 6 options: Because it has many genes and thus replication is slow. Because it doesn't have a membrane. Because viral RNA polymerases make a lot of mistakes. Because it can integrate into the host cell DNA. Previous PageNext Page
An antimicrobial drug binds to the HIV reverse transcriptase enzyme, preventing it from working. Which of the following is true of this drug? It would inhibit early replication steps of some viruses, but not affect normal eukaryotic cell activity. It would directly interfere with translation of some viral proteins and some eukaryotic proteins. It would block assembly/maturation steps of some viruses, and interfere with translation in eukaryotic cells. It would interfere with release of newly formed viruses from a host cell, but not affect eukaryotic cells. It would interfere with protein synthesis in bacteria, but not affect eukaryotic ribosomes. It would interfere with mRNA transcription in bacteria and viruses, but not affect eukaryotic transcription.
A bacteriophage has inserted its DNA into a bacterial host and replicated as a part of the host’s genome for several generations as the host reproduces. For this virus to assemble more infectious viral particles, what must it do? Switch to the lysogenic cycle of replication Switch to the vicious cycle of replication Purposefully mutate its own genes Switch to the lytic cycle of replication
Which of the following would be the first step in biosynthesis of a virus with a - (minus) strand of RNA? A. Synthesis of double stranded RNA from a DNA template B. Transcription of mRNA from DNA C. Synthesis of DNA from an RNA template D. Synthesis of double stranded RNA from an RNA template E. Synthesis of DNA from a DNA template
Which of the following terms describes bacteriophage DNA that has become integrated into the host cell chromosome? A) plasmid B) impolite phage C) transposon D) prophage
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If you worked for a pharmaceutical company and wanted to develop a vaccine to prevent viral replication, how could you use your knowledge of RME to your advantage?