Ch. 18 Bacteria & Viruses

Which statement about bacteria is NOT true?

• they're prokaryotes
• they have organelles including a nucleus 
• they are larger than a virus
• they don't need a host cell in order to  replicate 

Identify structure #10.

• DNA
• pilus 
• flagella 
• cilia 

Identify structure #7. 

• ribosome 
• nucleus 
• DNA 
• pilus 

Identify structure #6. 

• flagella
• pilus
• DNA
• RNA

Identify structure #1, which serves as the outer protection barrier. 

• ER
• Golgi apparatus 
• cell membrane
• cell wall

What is the function of flagella? 

• direct protein synthesis
• movement
• transfer DNA during conjugation
• direct cellular activities 

Determine which of the following is NOT true regarding this bacterial sample. 

• cocci 
• strepto 
• Gram-positive 
• staphylo 

Which special structure is used to transfer DNA from one bacterium to another during conjugation?

• flagella
• lysosomes 
• Golgi apparatus
• pilus 

Determine which of the following is NOT true regarding this bacterial sample. 

• Gram-negative 
• bacilli 
• spirilum
• diplo 

Bacteria reproduce asexually via:

• binary fission 
• lytic cycle
• lysogenic cycle 
• conjugation