Viruses

Question 1

Martinis Beijerinck

Answer 1

“Founder of virology”

First to isolate a virus with a tobacco plant. Virus was already known.. filtration is what he did different

Question 2

Viruses are _____ _____ parasites that use the machinery of the host cell to replicate

Answer 2

Obligate intracellular

Question 3

What are viruses made up of?

Answer 3

Nucleic acid core surrounded by protein capsid… capsid of some viruses is surrounded by an envelope

Question 4

Structure and classification of viruses:

Answer 4

Virion: extracellular form

Nucleic acid core: DNA or RNA

Capsid: capsomers

Viral morphology: icosahedral vs Helical (helical = common in plants)

Envelope: enveloped or naked