Viruses, bacteria, and immunity

Prokaryotes are unlike all other organisms in that their cells 

• do not have a nucleus
• have organelles
• have cell walls

The process of converting nitrogen into a form plans can use is known as nitrogen

• conjugation
• sterilization
• fixation
• decomposition

Name the three cell shapes of prokaryotes

• rod, circle spiral
• cocci, bacilli, spirilli
• crystal, tube, spaghetti

Name this bacteria shape

• coccus
• spirillum
• bacillus

Name this bacteria shape

• coccus
• bacillus
• spirillum

What do viruses need to reproduce?

• they need genetic material
• They need a host cell
• They need  bacteria
• They need insulin

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

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

A B cell is _____.

•  a cell responsible for removing foreign particles
• a large phagocytic cell 
• Eats foreign bodies
• the immune system cell type responsible for producing antibodies

These cells are responsible for making antibodies

• B Cells
• Killer T Cells
• Helper T Cells
• Macrophages