10 Questions
What is one of the characteristics used to classify viruses?
Type of genetic material
What is a unique feature of viruses?
They are obligate intracellular parasites
What is the first step in the multiplication cycle of a virus?
Adsorption
What occurs during the penetration stage of viral multiplication?
The entire virus or its nucleic acid enters the host cell
What is the role of enzymes in the uncoating stage of viral multiplication?
They dissolve the envelope and capsid
Where do DNA viruses replicate and assemble?
In the host cell's nucleus
How are enveloped viruses released from the host cell?
By budding or exocytosis
What is the primary difference between bacteriophages and other viruses?
They infect bacteria
How many virions can be released from a single host cell?
Anywhere from 3,000 to 100,000
What is the approximate length of time for the entire multiplication cycle of a virus?
Anywhere from 8 to 36 hours
Learn about the contributions of Louis Pasteur, including his invention of pasteurization, development of vaccines, and debunking of the spontaneous generation theory.
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