Viruses - Weekly Quiz

What does invading the host cell enable (allow) the virus to do?

• increase its size

• synthesize needed oxygen

• obtain nutrients

• reproduce

What do you need to be able to see bacteria?

• Microscope

• Telescope

• Sunglasses

• 3D Glasses

Where are bacteria located?

• No where.

• Every where.

• Only in the restroom.

• On people's hands only.

What shape is bacteria?

• Round

• Straight

• Twisted

• All of these

Tiny single-celled organisms that live almost everywhere

• ribosomes

• cytoplasm

• bacteria

• virus

Which of these statements is true?

• A virus is unicellular, it has only one cell.

• A virus may sometimes be multicellular, have many cells.

• A virus has no cells

A virus is considered...

• Living

• Non-living

When a virus attaches to a host, what does it inject into the host?

• protein coat

• Capsid

• DNA/ RNA

• Envelope

Viruses require a host cell to...

• Breathe and eat

• Replicate

• Move and sleep

• Make protein and carbohydrates

Viruses can affect which types of organisms?

(SELECT ALL THAT APPLY)

• plants

• animals

• bacteria

• bricks