BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 26, Problem 3A
Summary Introduction
Introduction: Influenza is the acute viral infection of the upper and lower respiratory tracts. It is also referred to as flu that is characterized by fever, chills, headache, sore throat, runny nose, generalized weakness, and pain in muscles. Influenza is classified into three main groups, namely, A, B, and C.
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What is the function of reverse transcriptase in retroviruses?
O A. It converts host cell RNA into viral DNA.
B. It uses viral RNA as a template for making more viral RNA genomes.
O. It translates viral RNA into proteins.
D. It uses viral RNA as a template for DNA synthesis, that is, it makes complementary DNA.
after a successful infection by a viral particle, it integrates its genome into the host DNA. which term best describe the change of host genome?
a. none
b.silent mutation
c.missense mutation
d.frame shift mutation
In Hershey and Chase’s experiment investigating which biological molecule carries genetic information, they found that phage DNA with radiolabeled phosphorus was retained in bacterial cells after transduction. To conclude that DNA is the genetic material, what assumption did they have to make?
A. Protein does not enter the bacterium during transduction.
B. DNA does not stay in the media after transduction.
C. All of the phage DNA was radiolabeled.
D. Bacteria can be transduced by phage.
Chapter 26 Solutions
BIOLOGY
Ch. 26.1 - Prob. 1LOCh. 26.1 - Prob. 2LOCh. 26.2 - Prob. 1LOCh. 26.2 - Prob. 2LOCh. 26.3 - Prob. 1LOCh. 26.3 - Describe how viruses can contribute DNA to their...Ch. 26.4 - Describe the differences between acute and...Ch. 26.4 - Prob. 2LOCh. 26.4 - Prob. 3LOCh. 26.5 - Prob. 1LO
Ch. 26 - Prob. 1UCh. 26 - Prob. 2UCh. 26 - Prob. 3UCh. 26 - Prob. 4UCh. 26 - Why is a drug that blocks HIV binding to one of...Ch. 26 - Prob. 6UCh. 26 - Prob. 7UCh. 26 - Prob. 1ACh. 26 - Prob. 2ACh. 26 - Prob. 3ACh. 26 - Prob. 4ACh. 26 - Prob. 5ACh. 26 - Prob. 6ACh. 26 - Prob. 7ACh. 26 - E. coli lysogens derived from infection by phage ...Ch. 26 - Prob. 2SCh. 26 - Prob. 3SCh. 26 - Prob. 4SCh. 26 - Prob. 5S
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which nucleic-acid based technique will detect norovirus? A. Fluorescent In Situ Hybridization (FISH) probes B. PCR with primers specific for the genome of this virus C. Terminal Restriction Fragment Length Polymorphism (T-RFLP) D. reverse transcription PCR with specific primers A patient's blood sample tests positive for the antigen to Vibrio cholerae. Which of the following interpretations is correct? A. This person has cholera. B. This person was exposed to any species of Vibrio. C. This person was exposed to V. cholerae recently. D. This person had cholera at some point in their lifetime.arrow_forwardWhy can’t retrotransposons move from one cell to another like retroviruses?a. Because they do not encode the Env proteinb. Because they are nonautonomous elementsc. Because they require reverse transcriptased. a and b are both true.arrow_forwardHow can you design your RT-PCR experiment to control for gDNA contamination? A. Use forward and reverse primers that bind to the same exon. B. Run a control lane where only RT was performed and not PCR. C. Run a control lane where MRNA has been amplified using PCR. D. Use forward and reverse primers that span the junction of 2 separate exons.arrow_forward
- If the HIV did not have a reverse transcriptase enzyme, then which of the following would apply? Select one: a. The virus can make use of the reverse transcriptase enzyme from the host cell to convert its RNA into DNA b. Viral particles will be produced without reverse transcriptase enzyme since the original HIV is an RNA virus and needs to assemble RNA ant coat proteins together c. The virus will manufacture its proteins from its RNA using translation and ribosomes from host cell d. Provirus will not be formed and assembly of viral particles will never occur e. The virus will not be able to recognise the host cell and therefore entry into the cell is blockedarrow_forwardWhy are vaccines and/or passive immunization the method of choice in the treatment or prevention of viral infections? A. There are no known inhibitors to reverse transcription B. Viruses are non-living and do not have their own genetic mechanisms to reproduce by themselves hence host cells must rely on targeting the virus or their products. C. Antibodies prevent replication of viral genome D. Antibodies prevent transcription and translation of viral genomes E. All of thesearrow_forwardIn Hershey and Chase’s experiment investigating which biological molecule carries genetic information, they found that phage DNA with radiolabeled phosphorus was retained in bacterial cells after transduction. To conclude that DNA is the genetic material, what assumption did they have to make? (photo linked) A. Protein does not enter the bacterium during transduction. B. DNA does not stay in the media after transduction. C. All of the phage DNA was radiolabeled. D. Bacteria can be transduced by phage.arrow_forward
- What is a recombinant DNA? Select one: a. During meiosis, sister chromatids cross over to produce daughter cells with recombinant DNA. b. Any genome that is non-parental is called a recombinant DNA. c. New DNA sequences are inserted into a genome to produce recombinant DNA. d. Bacterial plasmid with sticky ends are referred to as the recombinant DNA.arrow_forwardHow is a fusion protein formed? a. Use CRISPR/Cas9 to remove a portion of the gene of interest, thereby creating a shorter protein b. Use site-directed mutagenesis to replace one sequence with another c. Use the yeast two hybrid technique to form a new hybrid protein d. Use recombinant DNA to ligate a cDNA in frame with another protein coding sequencearrow_forwardThe drugs used against HIV in AIDS therapy are not effective against the flu because a. HIV is an RNA virus and influenza is a DNA virus. b. HIV is a DNA virus and influenza is an RNA virus. c. the two viruses have different-sized genomes. d. the proteins targeted by HIV drugs are not found in influenza.arrow_forward
- The function of CRISPR gene cluster in Streptococcus pyogenes is to Select one or more: a. destroy phage DNA in the bacteria. O b. protect phage DNA in the bacteria. Oc. repair the damaged DNA in its genome. O d. delete the specific genes in its genome.arrow_forwardRegarding the PCR technique, what is false?a. It can produce multiple copies of DNA.b. It is the same as DNA fingerprinting.c. It is not a time-consuming process.d. It cannot successfully copy whole genesarrow_forwardwhat event occurs in bacteriophage multiplication that does not occur in animal virus replication?A,B,C,D, or E? a. adsorption to the host cells. b. injection of the viral nucleic acid into the host cell. c. host cell synthesis of viral enzymes and capsid proteins. d. assembly of nucleocapsids. e. replication of viral nucleic acid.arrow_forward
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