Viruses

What do viruses need to reproduce?

• they need genetic material

• They need a host cell

• They need bacteria

• They need insulin

How does a virus cause a person to develop the common cold?

• invades the host cell to reproduce

• removes energy from the host cell

• produces toxins in the host cell

• protects the host cell from bacteria

Tags

NGSS.MS-LS1-2

A virus can be classified by its type of

• mitochondria

• chromosomes

• nucleic acid

• carbohydrates

A(n) _____ is a virus that enters a bacterial cell.

• endospore
• decomposer
• plasmid
• bacteriophage

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

True or False
The flu is caused by a virus.

• true
• false

Antibiotics kill viruses

• True
• False

What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?

• tail

• nucleus

• capsid

• glycoprotein

Which viral life cycle kills its host cell by lysing (exploding)?

• lytic

• mitosis

• lysogenic

• S phase