The Influenza Virus Contains an RNA Genome

question 61

Multiple Choice

The influenza virus contains an RNA genome.Scientists typically need to make a new flu vaccine every year because

• A) our bodies develop resistance to the vaccine and it becomes less effective.
• B) the virus develops resistance to the vaccine.
• C) the virus can mutate into new strains.
• D) people change their habits each year and become susceptible to different strains of the virus.
• E) the common influenza virus can come from many species of animals including cats and dogs.

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Definitions:

Pneumatic

Refers to technology or devices operated by compressed air or gas.

Height Control Valve

A device in air suspension systems that maintains or adjusts the height of a vehicle by controlling the air flow.

Response Delay Mechanism

A system or feature designed to introduce a deliberate delay in response to inputs or signals, often for safety or control purposes.

Spring Suspension

A type of vehicle suspension that uses springs to absorb shock and maintain contact between the wheels and the road.