Honors Biology Virus and bacteria.

Reasons that viruses are considered to be nonliving is because

• They are not cellular
• They cannot reproduce on their own
• They cannot make proteins
• all of the above

What happens in the lysogenic cycle? 

• A virus injects DNA into a host cell
• Bacteria injects genetic material into a host cell
• A virus injects its genetic material into a host cell
• Bacteria injects DNA into a host cell

Which of the following is not a way to prevent or treat viruses?

• antibiotics
• antiviral medications
• vaccines
• wash your hands

How do viruses reproduce?

• Binary Fission
• Using a host cell and the lytic cycle.
• Through cell mitosis.
• By using nuclear fission.

Binary fission is a type of _____ reproduction  that bacteria do.

• sexual
• asexual

Tags

NGSS.MS-LS3-2

Name this bacteria shape

• bacilli
• cocci
• spirilla
• crystal

Name this bacteria shape

• cocci
• spirilla
• bacilli
• spaceship

Name this bacteria shape

• cocci
• bacilli
• spirilla
• sphere

 Bacteria that help break down dead material in the environment are called 

• vaccines
• decomposers
• oats
• Consumers

Tags

NGSS.MS-LS2-3

Archeabacteria...

• are eukaryotic
• live in extreme environments
• are non-living
• live in the soil