Compare the structures of viruses to cells, describe viral reproduction, and describe the role of viruses in causing diseases such as human immunodeficiency virus (HIV) and influenza.
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Q 1/6
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Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. Once a virus gains entry to the body, it invades a host cell in order to -
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access cellular processes for replication
deactivate the host cell’s defenses
synthesize antibodies for defense
metabolize host proteins and grow
Q 2/6
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A student produces a labeled drawing of a virus for a presentation. The student states that the capsid has a function similar to the nuclear membrane found in animal cells. Which of these describes the similar function of capsids and nuclear membranes?
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Both transport proteins throughout the structures
Both provide energy for activities in the structures
Both protect genetic information for the structures
Both code for the proteins needed for reproduction of the structures
6 questions
Q.
Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. Once a virus gains entry to the body, it invades a host cell in order to -
1
45 sec
BIOL.4c
Q.
A student produces a labeled drawing of a virus for a presentation. The student states that the capsid has a function similar to the nuclear membrane found in animal cells. Which of these describes the similar function of capsids and nuclear membranes?
2
45 sec
BIOL.4c
Q.
In 1898 Friedrich Loeffler and Paul Frosch found evidence that the cause of the highly contagious hoof-and-mouth disease in livestock was a microscopic infectious particle. It was discovered that this particle requires a host cell to reproduce.
Which pathogen is most likely responsible for causing hoof-and-mouth disease in livestock?
3
60 sec
BIOL.4c
Q.
In the 1880s, Louis Pasteur developed a method of weakening viruses. The weakened viruses could be injected into healthy individuals.
How is this method effective in fighting viral diseases?
4
45 sec
BIOL.4c
Q.
Which of these describes a difference between viruses and cells?
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45 sec
BIOL.4c
Q.
Severe acute respiratory syndrome (SARS) is an illness caused by a coronavirus. Symptoms including a high fever, headaches, and body aches typically occur two to seven days after infection by the virus. SARS is more serious in elderly patients. This information suggests that the reproductive cycle of the SARS virus is -
