Viruses

What do all viruses need to reproduce?

• They need host 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

What do viruses have in common with living cells? They both

• store genetic information
• have chloroplasts
• use glucose for cellular respiration
• have endoplasmic reticula

What provides direct energy for the virus?

• food
• its host
• the sun
• a parasite

Antibiotics kill viruses

• True
• False

The reason that viruses are considered to be nonliving is because

• They are not cellular
• They cannot reproduce on their own
• They cannot make proteins
• all of the above

Viruses are cells. 

• True 
• False

Tags

NGSS.MS-LS1-1

Which of the following occurs right 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 capsid is

• a structure that directly causes cell lysis
• the type of virus that attacks bacteria
• the genetic material of a virus
• the protein coat of a virus