Viruses and Vaccines

Are viruses cells?

• Yes

• No

• Sometimes

• Maybe

Different types of viruses infect different types of organisms (ex: plant viruses infect plant cells, animal viruses infect animal cells)

• true

• false

What do all viruses contain?

• Genetic material (DNA or RNA)

• ribosomes

• nucleus

The outer protein coat of a virus is called a(n)

• nucleic acid

• capsid

• sheath

Which of these is TRUE about viruses?

• viruses are made of cells

• viruses don't require energy/ food

• viruses can replicate on their own

A virus has to infect a host cell in order to replicate and make more copies of the virus.

• True

• False

Which viral infection cycle involves the virus inserting its genetic material into the host cell's DNA, staying hidden and getting copied each time the cell reproduces?

• Lytic Cycle

• Lysogenic Cycle

Which type of viral infection is when the virus takes over a host cell, starts making virus copies right away, and the host cell lyses and the virus copies are released?

• Lytic Cycle

• Lysogenic Cycle

Proteins on an "invader" that the immune system recognizes and reacts to are called

• antigens

• antivirals

• antibodies

Proteins your immune system makes to target and attach to "invaders" are called

• antisick

• antigens

• antibodies