Virus & Cells Review

What do viruses need to reproduce?

• they need energy

• They need a host cell

• They need bacteria

• They need insulin

What is the 1st step of virus infection?

• Entry
• Attachment
• Replication
• Assembly

Antibiotics kill viruses

• True
• False

Which of the following occurs after a virus attaches to a host cell in the viral reproduction process?

• The host cell dies
• The virus dies
• The virus inserts its genetic information into the host cell
• copies of the virus are immediately released from the host

A tiny non-living particle that invades and then multiplies inside of a living cell is called a:

• vaccine
• virus
• bacteriophage

What should B be labeled on the image?

• The virus attaches to the host cell with it's projections or spikes

• The virus uses the host's machinery to replicate itself

• The virus bursts out of the cell and infects the rest of the host

What should A be labeled on the image?

• The virus attaches to the host cell with it's projections or spikes

• The virus uses the host's machinery to replicate itself

• The virus bursts out of the cell and infects the rest of the host

What is a correct description of D?

• A vaccine is being injected

• Weakened copies of the virus

• Production or synthesis of antibodies

• Antibodies attack the virus

What is a correct description of B?

• A vaccine is being injected

• Weakened copies of the virus

• Production or synthesis of antibodies

• Antibodies attack the virus

Which answer choice correctly identifies the structure that is a protein protective coat around the genetic material of the virus?

• A: Capsid

• C: Projections

• B: Genetic Material