Viruses vs Cells STAAR

Cells differ from viruses in that only cells -

• use genetic material.

• are microscopic structures.

• contain cytoplasm.

• have protective covering.

Which of the following characteristics is shared by viruses and living cells? Both viruses and living cells –

• have a nucleus, as well as a cell wall.

• contain nucleic acids such as DNA or RNA.

• can replicate independently of a host cell.

• use organelles to perform life functions.

Which two organisms are eukaryotic , contain a cell nucleus, and are considered living?

• viruses and plant cells

• bacteria and animal cels

• plant and animal cells

• viruses and animal cells

Which organism is pictured?

• bacteria

• plant cell

• virus

• animal cell

Which organism requires a host cell for reproduction?

• bacteria

• plant cells

• viruses

• animal cells

An infectious particle made of a strand of nucleic acid surrounded by protein coat is a

• prion

• bacteria

• virus

• viroid

The purpose of surface proteins/tail fibers in viruses is to....

• Help with viral reproduction
• No purpose
• Attach virus to host cell
• Help virus spread to other organisms

What is a difference between a Prokaryotic cell (bacteria) and a Eukaryotic cell (cheek cell)?

• Pro = Nucleus Eu= no nucleus
• Pro= nucleus Eu= nucleus
• Pro= no nucleus Eu = no nucleus
• Pro = no nucleus Eu= nucleus

Which statement regarding viruses is true?

• A virus can only reproduce inside of a living cell
• Viruses do not contain DNA
• Viruses are unicellular
• Viruses are generally larger than cells

Which best describes the basic structure of a virus?

• nucleic acid strand surrounded by a protein coat
• a tail surrounded by a protein coat
• a tail surrounded by a carbohydrate coat
• nucleic acid strand surrounded by a carbohydrate coat