Cell, Virus and Biomolecule Review

What does a virus have on the inside?

• DNA, but never RNA
• RNA but never DNA
• DNA or RNA
• neither DNA or RNA

What does a virus ALWAYS surrounding the viral genome?

• capsid

• a fur coat

• membrane envelope

• cell membrane

Viruses require a host to reproduce?

• True

• False

Functions of the Nucleus?

• store the cell's DNA

• Protects the cell

• generate most of the chemical energy

• help sequester waste products

The undefined nuclear region of prokaryotes is also known as

• nucleus

• nucleolus

• nucleic acid

• nucleoid

Which of the following correctly describes viruses?

• non-living because they grow and develop
• living because they can use energy
• non-living because they cannot reproduce on their own
• living because they can maintain homeostasis

Why do viruses have projections on the outside?

• To send signals to other viruses.

• To maintain their structure.

• To attach to the host cell.

• To reproduce.

Viruses are...

• prokaryotic
• eukaryotic
• non-living
• endospores

Which of the following is a trait that a virus shares with a living organism?

• They use oxygen
• They have genetic material
• They grow
• They digest food

When a virus invades a living cell, its _______
takes over the cell's functions.

• outer coat
• genetic material
• core
• cytoplasm