Recognize the basic shapes of viruses Flashcards
What are the four basic shapes of viruses?
Helical, Icosahedral, Complex, and Enveloped.
True or False: All viruses have a symmetrical structure.
False.
Fill in the blank: The shape of a virus that resembles a rod is known as ________.
Helical.
Which virus shape is characterized by 20 triangular faces?
Icosahedral.
What is the defining feature of a complex virus shape?
It has an irregular shape that does not fit into helical or icosahedral categories.
Multiple Choice: Which of the following is NOT a basic shape of viruses? A) Helical B) Icosahedral C) Linear D) Complex
C) Linear.
Short Answer: What type of virus shape typically has a lipid envelope?
Enveloped.
True or False: Enveloped viruses can be helical or icosahedral in shape.
True.
What is the significance of a virus’s shape in relation to its function?
The shape can affect how the virus attaches to host cells and how it is transmitted.
Fill in the blank: The structure of a virus is primarily composed of ________ and genetic material.
Protein.