4C_4A_Viruses and Cells PULLOUTS_Day 1

What is happening in the picture?

• The virus attaches to the surface of the host cell.

• The virus injects its genome into the host cell.

• The viral genome replicates and viral proteins are made.

• The host cell lyses, releasing the newly made viruses.

Which cycle is pictured?

• lysogenic

• both lysogenic and lytic

• replication cycle

• lytic

Which picture shows the replication of the viral genetic material and the synthesis of new viral components?

• 1

• 2

• 3

• 4

• 5

Which picture shows the assembly of the viral components into complete viruses?

• 1

• 2

• 3

• 4

• 5

What is the correct order of the steps in the lytic cycle?

• 1.attach; 2.inject; 3.replicate; 4. assemble; 5.lyse (burst)

• 1.attach; 2.replicate; 3.inject; 4.lyse (burst) 5.assemble

• 1.inject; 2.attach; 3.replicate; 4.assemble; 5.lyse (burst)

• 1.attach; 2.inject; 3. assemble; 4.replicate; 5.lyse (burst)

The __________ cycle is quick. It takes only 2-7 days for the symptoms to show.

• lysogenic

• both lytic and lysogenic

• lytic

• cell cycle

Individuals that have been infected with the HIV virus can remain without symptoms for a period of weeks to years. Which cycle does HIV use to reproduce?

• lysogenic cycle

• lytic cycle

• cell cycle

• replication cycle

What are viruses mostly made of?

• DNA and RNA

• Genetic material (DNA or RNA)

• Proteins such as protein capsid and tail fibers

• Proteins and genetic material (DNA or RNA)

How are viruses and bacteria alike?

• Both have genetic material and NO membrane-bound organelles

• Both have genetic material and membrane-bound organelles

• Both have DNA and RNA

• Both reproduce the same way

What is the primary difference between a prokaryote and a eukaryote?

• ribosomes

• membrane-bound organelles

• cell walls

• plasma membrane