Prokaryotes and Viruses

What do you call a cell without a nucleus?

• Eukaryote
• Prokaryote

All bacteria are 

• eukaryotic.
• prokaryotic.
• eukaryotic and multicellular.
• prokaryotic and unicellular.

Particles made up of proteins, nucleic acids, and sometimes lipids that can reproduce only by infecting living cells are called

• bacteria.
• capsids.
• prophages.
• viruses.

A protein coat surrounding a virus is called a 

• prophage.
• virus.
• capsid.
• bacteria.

Prokaryotes are unlike all other organisms in that their cells

• lack nuclei.
• have organelles.
• have cell walls.
• lack nucleic acids.

Prokaryotes reproduce asexually by

• binary fission.
• endospores.
• conjugation.
• mutation.

Tags

NGSS.MS-LS3-2

Disease-causing organisms are known as

• cocci.
• bacilli.
• pathogens.
• archaea.

Viruses typically cause disease by

• releasing toxins.
• infecting and then destroying cells.
• causing mutations in the host cell DNA.
• destroying red blood cells.

Which of the following can be helpful in treating bacterial diseases but NOT viral diseases?

• vaccines
• antibiotics
• antiviral drugs
• aspirin

HIV is caused by a 

• bacterium.
• virus.