Microbiology with Diseases by Taxonomy (5th Edition)
5th Edition
ISBN: 9780134019192
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 25, Problem 5SA
Summary Introduction
To determine:
Three viruses that would be ranked as deadliest studied in this chapter.
Introduction:
Most infections can evade the defense mechanisms of the body, some infectious agents not only evade the defense systems and proliferate, but also influence functions of the body, and it will lead to cause disease.
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Please introduce how to obtain a nucleotide sequence of unknown viruses. Please give me a detailed process.
Viruses are made up of the same biomolecules as cellular organisms (DNA, RNA, proteins, lipids, etc.), which are synthesized through enzymatic dehydration reactions from building blocks and disassembled by enzymatic hydrolysis. They infect cells and replicate themselves using resources from the host cells. Scientists discovered a previously unknown strain of virus in the tropical Pacific Ocean and it can infect higher-order eukaryotes. Initial analysis revealed that the virus is mainly composed of nucleic acids, proteins, and lipids. Chemical analysis after complete hydrolysis revealed the following building blocks (by weight):
Chemical components
Nucleosides
Amino acids
Lipids, phosphates, and carbohydrates
Percentage by weight
20
30
50
Analysis of percentages of nucleosides yielded the following results (by molar ratio):
Nucleosides
A
G
T
C
U
Percentage by mole
19
29
19
29
4
Which of the following events mostly involves hydrolysis reaction after the virus infects…
Are viruses living or non-living organisms? Explain your answer choice.also Discuss the difficulty in controlling infectious viruses with an example.
Chapter 25 Solutions
Microbiology with Diseases by Taxonomy (5th Edition)
Ch. 25 - Prob. 1MCCh. 25 - What do viruses in the families Picornaviridae,...Ch. 25 - Prob. 3MCCh. 25 - Prob. 4MCCh. 25 - Prob. 5MCCh. 25 - Prob. 6MCCh. 25 - Prob. 7MCCh. 25 - Prob. 8MCCh. 25 - Prob. 9MCCh. 25 - Prob. 10MC
Ch. 25 - Prob. 11MCCh. 25 - Prob. 1MCh. 25 - Prob. 1TFCh. 25 - _________ All infections of polio are crippling.Ch. 25 - Prob. 3TFCh. 25 - Prob. 4TFCh. 25 - Prob. 5TFCh. 25 - Label the steps in retroviral replication shown...Ch. 25 - Prob. 2VICh. 25 - Prob. 1SACh. 25 - Prob. 2SACh. 25 - Prob. 3SACh. 25 - Prob. 4SACh. 25 - Prob. 5SACh. 25 - Prob. 6SACh. 25 - Prob. 7SACh. 25 - Prob. 8SACh. 25 - Prob. 9SACh. 25 - Prob. 10SACh. 25 - Prob. 11SACh. 25 - Prob. 1CTCh. 25 - A 20-year-old man is brought to a South Carolina...Ch. 25 - Prob. 3CTCh. 25 - Prob. 4CTCh. 25 - Prob. 5CTCh. 25 - Reverse transcriptase is notoriously sloppy in...Ch. 25 - Prob. 1CMCh. 25 - Why might enteroviruses, which infect the body...Ch. 25 - Prob. 2TMWCh. 25 - Prob. 3TMWCh. 25 - Prob. 4TMWCh. 25 - Prob. 5TMWCh. 25 - Prob. 6TMWCh. 25 - Prob. 1EDCSCh. 25 - Prob. 2EDCSCh. 25 - A man arrived at an emergency room with...Ch. 25 - Prob. 2CCS
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- A microbiologist obtained two pure biological samples: one of a virus, and the other of a viroid. Unfortunately, the labels had been lost. The microbiologist felt she could distinguish the two by analyzing for the presence or absence of a single molecule. What molecule would she search for and why?arrow_forwardWhat do you think is the reason why this virus undergoes mutation?arrow_forwardSelect all the following statements that are TRUE regarding viruses: □ All viruses are potentially dangerous to humans because any virus can infect any host. □ Viruses are fastidious pathogens that require complex growth media. □ Viruses are noncellular particles that take over the metabolism of a cell to generate more virus particles. □ Viruses are genomes made of RNA and DNA that lack many protein. □ Viruses can infect all other known life forms on earth, from Archaea to humans.arrow_forward
- According to the book, Crawford, Dorothy H. Viruses: A Very Short Introduction, what is the aim, purpose, aim or goal of the author- what is he or she trying to prove or show??arrow_forwardAs a general rule, viruses are not considered to be alive based on several reasons. One such reason is that some viruses use RNA as their genetic material instead of DNA. Which of the five biological themes does this violate? Briefly explain why.arrow_forwardKnowing that the virus from Washington probably arose first, predicting the order, from first to last, in which the viruses from these states arose. Drag and drop options into correct order and submit. For keyboard navigation... SHOW MORE ✓ III ||| III III = ||| = Utah Washington California Kansas Coloradoarrow_forward
- why are viruses an exception to the classification system?arrow_forwardWhy is HIV called a retrovirus?arrow_forwardWhich of the following statements regarding viral genomes is FALSE? Question options: viral genomes are always comprised of RNA viral genomes are smaller than the genomes of cellular life viral genomes can be either single-stranded or double-stranded viruses can have as few as three genes viral genomes do not encode ribosomal RNAs all these statements are TRUE The ______________ of a virus is a phospholipid bilayer with embedded proteins and glycoproteins Question options: capsid chromosome envelope nucleocapsid spike receptorarrow_forward
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