Cell Practice 2

Which of the following is/are true of viruses?

• They are unicellular

• They are multicellular

• They must infect a host to replicate its DNA.

• They contain a nucleus

How many cells does one bacterium have?

• one

• They are multicellular.

• Two

• They are not made of cells.

Tags

NGSS.MS-LS1-1

What do you call a cell without a nucleus?

• Eukaryote
• Prokaryote

What do viruses have in common with living cells? They both...

• store genetic information
• have chloroplasts
• use glucose for cellular respiration
• have endoplasmic reticulum

A tiny non-living particle that invades and then multiplies inside of a living cell is called a:

• vaccine
• virus
• bacteriophage

Viruses are bacteria.

• True

• False

Which of the following pictures is NOT a example of a virus?

• a

• b

• c

• d

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

• protein coat

• Capsid

• DNA/ RNA

• Envelope

Influenza is caused by a ___________________.

• virus

• bacteria

• prion

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.