9/11/20 Open Note Quiz Viruses

What do viruses need to reproduce?

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

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-LS3-1

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

How could you describe the size of a virus?

• Smaller than bacteria
• Larger than a parasite
• About the size of a dime
• Smaller than a proton

One reason that viruses are considered to be nonliving is that they are not made of ______.

• protein
• viruses
• bacteria
• cells

A retrovirus has __________ as its genetic material.

Answer explanation

Page 482

The word virus comes from a Latin word that means ______.

• very small

• poison

• fast growing

• vulnerable

Answer explanation

page 478

Retroviruses are considered unique because

• they have RNA in their capsid and not DNA.

• they have DNA in their capsid and not RNA.

• after infection of a host cell, their RNA makes DNA.

• after infection of a host cell, their DNA makes RNA.

Answer explanation

See google slides