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Microbio & Imm. > Viruses & Prions > Flashcards

Flashcards in Viruses & Prions Deck (9):
1

A virus in the extracellular state (not in a host cell) is called what?

Viroid

2

Extracellular viruses have a protein coat called a ____ surrounding nucleic acid

Capsid

3

Explain what happens to a virus in the intracellular state

Capsid is removed, the virus exists as just nucleic acid

4

Name the three basic shapes of viruses

1. Helical
2. Polyhedral
3. Complex

5

This structure is acquired from the host cell during viral replication or release. It is composed of a phospholipid bilayer and proteins

The viral envelope

6

What are capsids made of?

Protein

7

Glycoproteins that enable attachment to host cells are known as:

Spikes

8

The normal prion structure made by all mammals which has alpha-helices is called:

Cellular PrP (Prion Protein)

9

The disease causing form of prion structure that has beta-pleated sheets is called:

Prion PrP