Chapter 7 Lesson 1 Bacteria and Viruses Daily Grade

The three main shapes of bacteria are all of the following EXCEPT

• rod shaped (bacilli)
• spherical (cocci)
• octagon (octilli)
• spiral (spirilla)

All bacteria have DNA. 

• true
• false

The flagella on a bacteria serve what purpose? 

• helps the bacteria find a mate
• cleans the bacteria
• helps the bacteria to move
• protects the bacteria

Bacteria reproduce through what method? (be as specific as possible)

• asexual reproduction
• sexual reproduction
• binary fission 
• conjugation

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A thick walled structure that helps protect the bacteria is called the 

• cell wall 
• nucleoid
• flagella
• endospore

Most known prokaryotes are 

• Arachaea
• Bacteria
• Protists
• Fungi

Are bacteria are good or bad?

• Good
• Bad
• Both

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Bacteria can be used to make foods such as yogurt & cheese.

• true

• false

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The are bacteria in my digestive system are extremely harmful and I should take meds to get rid of them.

• false

• true

Bacteria are classified by...

• shape

• the disease they cause

• color

• some