Bacteria and Viruses Review

What is one way to help avoid getting a viral disease?

• Washing hands

• Getting vaccinated

• Avoiding people

• Coughing into your elbow

Why do scientists use a different system to classify viruses?

• Many scientists do not believe that viruses are alive

• Many scientists believe that viruses are living

• Many scientists do not believe viruses are real

What is the purpose of a bacterium's flagellum?

• to help it move

• to swish in the wind

• to look pretty

• to make the bacterium camouflage

Tags

NGSS.MS-LS1-2

Two groups of prokaryotes are ​ (a)   ​ and ​ (b)  

• bacteria
• archaea
• flagellum
• endospore

What is the protective protein coat of a virus?

• envelope
• membrane
• capsid
• nucleus

What happens in the lytic cyle?

• Virus goes in and leaves the host cell
• Virus quickly kills the host cell
• Virus sleeps inside of the host cell
• Virus stay dormant for a long time

What happens in the lysogenic cycle? 

• Virus goes in and leaves the host cell
• Virus quickly kills the host cell
• Virus inject the nucleic acid into the host cell, and the nucleic acid integrates into the host cell DNA, and stay dormant for a long time
• Bacteria injects DNA into a host cell

Why do scientists classify viruses as non-living?

• They DO respond to a stimulus
• They need a host's energy because they do not have their own energy 
• They produce wastes
• They are really small 

What is #1?

• cilia

• flagella

• cell wall

• cell membrane

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which is bigger, a bacteria or a virus?

• Bacteria
• Virus