Virus Review

According to the diagram, which of the following is the largest?

• Eukaryotic cell

• Prokaryotic cell

• Virus

• Prion

Fill in the blank: According to the diagram, viruses are typically ______ nm in size.

• 50–200

• 500–1000

• 1–5

• 2000–5000

A ______ is either DNA or RNA, that is protected by a protein coat called a capsid.

• virus

• bacterium

• enzyme

• cell

What protects the DNA or RNA in a virus?

• Membrane

• Capsid

• Cell wall

• Nucleus

In the diagram, what does the label 'DNA' point to?

• The protein coat

• The genetic material inside the virus

• The outer spikes

• The cell membrane

Tags

NGSS.HS-LS1-1

A virus is made up of either ______ or ______, protected by a protein coat called a ______.

• DNA, RNA, capsid

• Protein, lipid, envelope

• Glucose, starch, membrane

• Amino acids, fatty acids, cell wall

Fill in the blank: The first step in how a virus harms a cell is that the virus ________ the cell.

• invades

• heals

• ignores

• repairs

Fill in the blank: After invading the cell, the virus forces the cell to make ________ of the virus.

• copies

• walls

• nutrients

• energy

Fill in the blank: Eventually, so many copies are made that the cell ________, releasing all of the new viruses.

• explodes

• shrinks

• divides

• melts

When your cells make viruses instead of operating normally, what happens to you?

• You get stronger

• You get sick

• Nothing happens

• You become immune