Viruses

What do viruses need to reproduce?

• they need genetic material
• They need a host cell
• They need  bacteria
• They need insulin

When a virus invades a living cell, its _______
takes over the cell's functions.

• outer coat
• genetic material
• core
• cytoplasm

Tags

NGSS.MS-LS1-2

What part of the phage is the DNA?

• A
• B
• C
• D

Antibiotics kill viruses

• True
• False

Which viral life cycle kills its host cell by lysing?

• lytic
• mitosis
• lysogenic
• S phase

Which viral life cycle allows viral genetic material to lay dormant while the host cell reproduces?

• lytic
• mitosis
• lysogenic
• S phase

What is the last step in the viral reproduction cycle?

• A virus attaches to the surface of a host cell
• The proteins and genetic material start to assemble in the cell
• The host cell bursts open, releasing the new viruses
• The virus injects its genetic material into the cell

Which is bigger, a bacteria or a virus?

• Bacteria
• Virus

Which of the following helps prevent the spread of infectious diseases caused by viruses?

• Surgery

• Medication

• Vaccines

Antibiotics kill viruses

• True
• False