True/False
The presence or absence of an envelope is not useful in classifying viruses because any given virus may at one time have an envelope and at another time not have an envelope.
Correct Answer:

Verified
Correct Answer:
Verified
Q23: In which of the following stages of
Q53: The nucleic acids carried by viruses usually
Q54: There are no known human diseases that
Q55: The largest of the viruses are similar
Q57: Localized areas of destruction occurring on plants
Q59: Viral envelopes are composed of<br>A)proteins.<br>B)lipids.<br>C)carbohydrates.<br>D)All of the
Q60: Viruses that are polyhedrons with 20 sides
Q61: Virion size ranges from<br>A)1-40 nm.<br>B)10-400 nm.<br>C)600-1,000 nm.<br>D)1,000-10,000
Q62: The most common capsid morphologies are icosahedral
Q63: Some complex viruses have icosahedral symmetry in