Recognize the basic shapes of viruses Flashcards

1
Q

What are the four basic shapes of viruses?

A

Helical, Icosahedral, Complex, and Enveloped.

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2
Q

True or False: All viruses have a symmetrical structure.

A

False.

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3
Q

Fill in the blank: The shape of a virus that resembles a rod is known as ________.

A

Helical.

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4
Q

Which virus shape is characterized by 20 triangular faces?

A

Icosahedral.

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5
Q

What is the defining feature of a complex virus shape?

A

It has an irregular shape that does not fit into helical or icosahedral categories.

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6
Q

Multiple Choice: Which of the following is NOT a basic shape of viruses? A) Helical B) Icosahedral C) Linear D) Complex

A

C) Linear.

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7
Q

Short Answer: What type of virus shape typically has a lipid envelope?

A

Enveloped.

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8
Q

True or False: Enveloped viruses can be helical or icosahedral in shape.

A

True.

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9
Q

What is the significance of a virus’s shape in relation to its function?

A

The shape can affect how the virus attaches to host cells and how it is transmitted.

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10
Q

Fill in the blank: The structure of a virus is primarily composed of ________ and genetic material.

A

Protein.

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