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Questions and Answers
What is the tiniest simplest form of life on earth according to the text?
What is the tiniest simplest form of life on earth according to the text?
- Bacteria
- Protozoa
- Fungi
- Virus (correct)
Why did 15th century Italians call the disease Influenza?
Why did 15th century Italians call the disease Influenza?
- Because they believed it was caused by the influence of stars and plants (correct)
- Because it was caused by bacteria
- Because it originated from Asia
- Because it affected the lungs
What is the term for an organism that must have a cell to replicate?
What is the term for an organism that must have a cell to replicate?
- Archaea
- Eukaryote
- Virus (correct)
- Prokaryote
Where does a virus become a 'virus particle' with no activity or metabolism?
Where does a virus become a 'virus particle' with no activity or metabolism?
What process allows a virus to replicate inside an infected cell?
What process allows a virus to replicate inside an infected cell?
Why are viruses considered not cellular organisms?
Why are viruses considered not cellular organisms?
What is the key factor that determines the survival of viruses according to the text?
What is the key factor that determines the survival of viruses according to the text?
'Virus-Host Equilibrium' refers to what concept?
'Virus-Host Equilibrium' refers to what concept?
What is one of the major reasons why Ebola virus outbreaks are limited to Africa?
What is one of the major reasons why Ebola virus outbreaks are limited to Africa?
In what year did Influenza virus of 1919 demonstrate better equilibrium?
In what year did Influenza virus of 1919 demonstrate better equilibrium?
Why is Ramesses V's preserved mummy mentioned in the text?
Why is Ramesses V's preserved mummy mentioned in the text?
Which characteristic is shared by all cellular life forms according to the text?
Which characteristic is shared by all cellular life forms according to the text?
Why did Dmitri Iwanowski's work in 1892 open the field called VIROLOGY?
Why did Dmitri Iwanowski's work in 1892 open the field called VIROLOGY?
Why are viruses unable to survive on their own in most cases?
Why are viruses unable to survive on their own in most cases?
What major characteristic distinguishes virus particles from cellular organisms?
What major characteristic distinguishes virus particles from cellular organisms?
How did seasonal flu outbreaks differ between 1918 and 1957 according to the text?
How did seasonal flu outbreaks differ between 1918 and 1957 according to the text?
What is a characteristic of lysogenic viral replication?
What is a characteristic of lysogenic viral replication?
Which type of RNA viruses have complementary base sequences in their genome compared to viral mRNAs?
Which type of RNA viruses have complementary base sequences in their genome compared to viral mRNAs?
What is the main difference between segmented and non-segmented viruses?
What is the main difference between segmented and non-segmented viruses?
Which phase of viral replication involves the production of viral proteins?
Which phase of viral replication involves the production of viral proteins?
What enzyme is required to separate enzymes in a viral infection?
What enzyme is required to separate enzymes in a viral infection?
In which type of RNA virus does the genome contain sequences similar to mRNA?
In which type of RNA virus does the genome contain sequences similar to mRNA?
What is the initial step in the translation of -ssRNA viruses?
What is the initial step in the translation of -ssRNA viruses?
Which cells house viral memory cells that sustain lifelong infections?
Which cells house viral memory cells that sustain lifelong infections?
'Lytic' and 'Lysogenic' are terms related to which aspect of viral life cycles?
'Lytic' and 'Lysogenic' are terms related to which aspect of viral life cycles?
'Lyso' in lysogenic is derived from which word, hinting at its nature?
'Lyso' in lysogenic is derived from which word, hinting at its nature?
What did a virologist in the 20th century famously describe a virus as?
What did a virologist in the 20th century famously describe a virus as?
When viruses can sense the presence of the immune system, what action do they typically take?
When viruses can sense the presence of the immune system, what action do they typically take?
In what year did the transfer of smallpox from Europe to the Americas occur?
In what year did the transfer of smallpox from Europe to the Americas occur?
Which virus infected about 350 million people worldwide in a chronic way?
Which virus infected about 350 million people worldwide in a chronic way?
Which virus caused 50-100 million deaths worldwide during the 1918 pandemic?
Which virus caused 50-100 million deaths worldwide during the 1918 pandemic?
Which of the following are common causes of acute infections in humans according to the text?
Which of the following are common causes of acute infections in humans according to the text?
What is a key characteristic of viruses in terms of their presence in the human genome?
What is a key characteristic of viruses in terms of their presence in the human genome?
What is a characteristic shared by rabies, Ebola, and smallpox viruses according to the text?
What is a characteristic shared by rabies, Ebola, and smallpox viruses according to the text?
What is a significant role that viruses like varicella zoster play in human infections according to the text?
What is a significant role that viruses like varicella zoster play in human infections according to the text?
What is the impact of the varicella zoster virus on human infections according to the text?
What is the impact of the varicella zoster virus on human infections according to the text?
What significant event occurred in 1519 A.D regarding smallpox?
What significant event occurred in 1519 A.D regarding smallpox?
How did Hernando Cortes contribute to the spread of smallpox?
How did Hernando Cortes contribute to the spread of smallpox?
What factors contributed to the defenselessness of the Aztecs in the face of smallpox?
What factors contributed to the defenselessness of the Aztecs in the face of smallpox?
What were the major factors that caused significant mortality in the U.S according to the text?
What were the major factors that caused significant mortality in the U.S according to the text?
What is the most common cause of acute infections in humans according to the text?
What is the most common cause of acute infections in humans according to the text?
How many total virus infections in the world exceed several billion cases each year in adults?
How many total virus infections in the world exceed several billion cases each year in adults?
What viruses have high mortality rates according to the text?
What viruses have high mortality rates according to the text?
Which viruses can lead to long-term disability?
Which viruses can lead to long-term disability?
What is the key characteristic that distinguishes virus particles from cellular organisms according to the text?
What is the key characteristic that distinguishes virus particles from cellular organisms according to the text?
Explain the historical impact of viruses on human history.
Explain the historical impact of viruses on human history.
What is the significance of the term 'Influenza' and why did 15th century Italians use it?
What is the significance of the term 'Influenza' and why did 15th century Italians use it?
Describe the concept of obligate intracellular parasites in relation to viruses.
Describe the concept of obligate intracellular parasites in relation to viruses.
Explain the importance of virus-host equilibrium in the survival of viruses.
Explain the importance of virus-host equilibrium in the survival of viruses.
What is the role of mutants in the survival of viruses?
What is the role of mutants in the survival of viruses?
Discuss the impact of the death of an infected host on the survival of the infecting virus.
Discuss the impact of the death of an infected host on the survival of the infecting virus.
Explain the process of viral replication inside an infected cell.
Explain the process of viral replication inside an infected cell.
What is the main reason why viruses are considered not cellular organisms?
What is the main reason why viruses are considered not cellular organisms?
Describe the natural evolution process of viruses in terms of spreading capacity.
Describe the natural evolution process of viruses in terms of spreading capacity.
How do viruses like varicella zoster impact human infections according to the text?
How do viruses like varicella zoster impact human infections according to the text?
What is the significance of the hieroglyph from Memphis in 3700BC?
What is the significance of the hieroglyph from Memphis in 3700BC?
How did the Influenza virus of 1919 demonstrate better equilibrium?
How did the Influenza virus of 1919 demonstrate better equilibrium?
What disease did Ramesses V die from in 1143 B.C.?
What disease did Ramesses V die from in 1143 B.C.?
What did Dmitri Iwanowski's work in 1892 lead to in the field of virology?
What did Dmitri Iwanowski's work in 1892 lead to in the field of virology?
What is the impact of Ebola virus outbreaks on infected people?
What is the impact of Ebola virus outbreaks on infected people?
What is the impact of polio infection on most people?
What is the impact of polio infection on most people?
How did seasonal flu outbreaks differ between 1918 and 1957?
How did seasonal flu outbreaks differ between 1918 and 1957?
What is the main characteristic of virus particles that distinguishes them from cellular organisms?
What is the main characteristic of virus particles that distinguishes them from cellular organisms?
What is the purpose of a virus solely replicating and infecting other host cells?
What is the purpose of a virus solely replicating and infecting other host cells?
What did Dmitri Iwanowski's discovery reveal about infectious agents in 1892?
What did Dmitri Iwanowski's discovery reveal about infectious agents in 1892?
What is the major distinguishing factor between lytic and lysogenic viral replication cycles?
What is the major distinguishing factor between lytic and lysogenic viral replication cycles?
Explain the impact of HIV infection being lysogenic on human health.
Explain the impact of HIV infection being lysogenic on human health.
What is the main reason behind viruses like HIV infecting humans for life?
What is the main reason behind viruses like HIV infecting humans for life?
How do segmented viruses, like rotavirus, differ from non-segmented viruses in terms of genome structure?
How do segmented viruses, like rotavirus, differ from non-segmented viruses in terms of genome structure?
Explain the significance of RNA-dependent RNA polymerase in viral replication.
Explain the significance of RNA-dependent RNA polymerase in viral replication.
What is the primary function of RNA-dependent RNA polymerase in a newly infected cell?
What is the primary function of RNA-dependent RNA polymerase in a newly infected cell?
Describe the role of memory cells in sustaining lifelong infections by viruses like HIV.
Describe the role of memory cells in sustaining lifelong infections by viruses like HIV.
How does the presence of memory cells contribute to the chronicity of certain viral infections?
How does the presence of memory cells contribute to the chronicity of certain viral infections?
What is the significance of viral memory cells in the context of lifelong infections?
What is the significance of viral memory cells in the context of lifelong infections?
Explain the importance of separating viral enzymes in the infected cell during viral replication.
Explain the importance of separating viral enzymes in the infected cell during viral replication.
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