Questions and Answers
What is the main reason viruses are not considered alive?
They lack cellular structure and metabolism.
Which of the following is NOT a component of a typical virus?
Cellular structure
What is the function of a viral envelope?
To aid in the virus's ability to infect host cells
What differentiates RNA viruses from DNA viruses?
Signup and view all the answers
What is the basic structure of a virus?
Signup and view all the answers
Which statement best describes a bacteriophage?
Signup and view all the answers
Why are viruses considered obligate intracellular parasites?
Signup and view all the answers
What is the host range of a virus?
Signup and view all the answers
Why must RNA viruses deliver special enzymes for cells to copy the viral genome?
Signup and view all the answers
How do vaccines work against viruses?
Signup and view all the answers
What is a zoonotic disease?
Signup and view all the answers
Why are antibiotics ineffective against viruses?
Signup and view all the answers