Question
A virus mutates, and therefore it has which of the following traits of living things?(1 point)
Responses
It is made of cells.
It is made of cells.
It uses energy.
It uses energy.
It evolves.
It evolves.
It grows and develops.
Responses
It is made of cells.
It is made of cells.
It uses energy.
It uses energy.
It evolves.
It evolves.
It grows and develops.
Answers
Answer
Compare a virus to a unicellular organism.(1 point)
Responses
Viruses need energy; unicellular organisms do not need energy.
Viruses need energy; unicellular organisms do not need energy.
Viruses reproduce through asexual reproduction; unicellular organisms need a host cell.
Viruses reproduce through asexual reproduction; unicellular organisms need a host cell.
Unicellular organisms have a cell membrane made from a lipid bilayer; viruses have a protein coat.
Unicellular organisms have a cell membrane made from a lipid bilayer; viruses have a protein coat.
Neither unicellular organisms nor viruses respond to stimuli.
Responses
Viruses need energy; unicellular organisms do not need energy.
Viruses need energy; unicellular organisms do not need energy.
Viruses reproduce through asexual reproduction; unicellular organisms need a host cell.
Viruses reproduce through asexual reproduction; unicellular organisms need a host cell.
Unicellular organisms have a cell membrane made from a lipid bilayer; viruses have a protein coat.
Unicellular organisms have a cell membrane made from a lipid bilayer; viruses have a protein coat.
Neither unicellular organisms nor viruses respond to stimuli.
Answer
Summarize the lytic cycle.(1 point)
Responses
A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
A virus lays eggs on the host cell’s protein coat, which then hatch and move on to infect other cells.
A virus lays eggs on the host cell’s protein coat, which then hatch and move on to infect other cells.
A virus copies its genetic material and then splits its cell membranes in half to form identical viruses.
A virus copies its genetic material and then splits its cell membranes in half to form identical viruses.
The viral DNA incorporates itself with the host cell’s and replicates whenever the host cell replicates itself.
Responses
A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
A virus lays eggs on the host cell’s protein coat, which then hatch and move on to infect other cells.
A virus lays eggs on the host cell’s protein coat, which then hatch and move on to infect other cells.
A virus copies its genetic material and then splits its cell membranes in half to form identical viruses.
A virus copies its genetic material and then splits its cell membranes in half to form identical viruses.
The viral DNA incorporates itself with the host cell’s and replicates whenever the host cell replicates itself.
Answer
Differentiate between the lysogenic and lytic cycles.(1 point)
Responses
Viral proteins are synthesized during the lysogenic cycle.
Viral proteins are synthesized during the lysogenic cycle.
The host cell is destroyed during the lytic cycle.
The host cell is destroyed during the lytic cycle.
The virus injects DNA into the host cell during the lysogenic cycle.
The virus injects DNA into the host cell during the lysogenic cycle.
The host cell copies its own DNA during the lytic cycle.
Responses
Viral proteins are synthesized during the lysogenic cycle.
Viral proteins are synthesized during the lysogenic cycle.
The host cell is destroyed during the lytic cycle.
The host cell is destroyed during the lytic cycle.
The virus injects DNA into the host cell during the lysogenic cycle.
The virus injects DNA into the host cell during the lysogenic cycle.
The host cell copies its own DNA during the lytic cycle.
Answer
Why do doctors recommend people get the flu vaccine every year rather than every few years?(1 point)
Responses
They should get the flu vaccine because viruses mutate.
They should get the flu vaccine because viruses mutate.
They should get the flu vaccine because their bodies do not build up resistance.
They should get the flu vaccine because their bodies do not build up resistance.
They should get the flu vaccine because their bodies already have a resistance.
They should get the flu vaccine because their bodies already have a resistance.
They should get the flu vaccine because viruses do not mutate.
They should get the flu vaccine because viruses do not mutate.
Responses
They should get the flu vaccine because viruses mutate.
They should get the flu vaccine because viruses mutate.
They should get the flu vaccine because their bodies do not build up resistance.
They should get the flu vaccine because their bodies do not build up resistance.
They should get the flu vaccine because their bodies already have a resistance.
They should get the flu vaccine because their bodies already have a resistance.
They should get the flu vaccine because viruses do not mutate.
They should get the flu vaccine because viruses do not mutate.
Answered by
GPT-4o mini
The correct response is:
**It evolves.**
Viruses can mutate and adapt to their environment, which is a characteristic of living things in terms of evolution. However, they are not made of cells, do not use energy in the same way that living organisms do, and do not grow and develop.
**It evolves.**
Viruses can mutate and adapt to their environment, which is a characteristic of living things in terms of evolution. However, they are not made of cells, do not use energy in the same way that living organisms do, and do not grow and develop.
Answered by
GPT-4o mini
The correct response is:
**Unicellular organisms have a cell membrane made from a lipid bilayer; viruses have a protein coat.**
This statement accurately describes the fundamental structural differences between unicellular organisms, which are made up of cells with a cell membrane, and viruses, which consist of a protein coat (capsid) and are not made of cellular structures. The other options contain inaccuracies or misleading information.
**Unicellular organisms have a cell membrane made from a lipid bilayer; viruses have a protein coat.**
This statement accurately describes the fundamental structural differences between unicellular organisms, which are made up of cells with a cell membrane, and viruses, which consist of a protein coat (capsid) and are not made of cellular structures. The other options contain inaccuracies or misleading information.
Answered by
GPT-4o mini
The correct response is:
**A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.**
This accurately summarizes the lytic cycle, where a virus infects a host cell, hijacks the cellular machinery to replicate its genetic material and produce new virus particles, and ultimately leads to the destruction of the host cell as new viruses are released.
**A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.**
This accurately summarizes the lytic cycle, where a virus infects a host cell, hijacks the cellular machinery to replicate its genetic material and produce new virus particles, and ultimately leads to the destruction of the host cell as new viruses are released.
Answered by
GPT-4o mini
The correct response is:
**The host cell is destroyed during the lytic cycle.**
In the lytic cycle, the virus actively replicates and ultimately causes the host cell to lyse (burst), releasing new viral particles. In contrast, during the lysogenic cycle, the viral DNA integrates into the host cell's genome and can remain dormant without destroying the host cell immediately. Other statements contain inaccuracies regarding the processes involved in each cycle.
**The host cell is destroyed during the lytic cycle.**
In the lytic cycle, the virus actively replicates and ultimately causes the host cell to lyse (burst), releasing new viral particles. In contrast, during the lysogenic cycle, the viral DNA integrates into the host cell's genome and can remain dormant without destroying the host cell immediately. Other statements contain inaccuracies regarding the processes involved in each cycle.
Answered by
GPT-4o mini
The correct response is:
**They should get the flu vaccine because viruses mutate.**
Flu viruses undergo frequent mutations, which can change their surface proteins, leading to new strains that the immune system may not recognize. Therefore, a yearly vaccine is recommended to provide protection against the most current strains of the influenza virus.
**They should get the flu vaccine because viruses mutate.**
Flu viruses undergo frequent mutations, which can change their surface proteins, leading to new strains that the immune system may not recognize. Therefore, a yearly vaccine is recommended to provide protection against the most current strains of the influenza virus.
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