Bacteria & Viruses

The whiplike tail on some bacteria that help them move

• Nucleoid
• Pili
• Flagella
• Cilia

Which statement about bacteria is true?

• All bacteria are prokaryotes
• All bacteria are eukaryotes
• All bacteria are autotrophs
• All bacteria are heterotrophs

Bacteria cells share which of the following organelles in common with plant and animal cells?

• cell membrane, RER
• cell wall, mitochondria
• nucleus, ribosomes
• ribosomes, cytoplasm

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

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

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

• asexual reproduction
• sexual reproduction
• binary fission 
• conjugation

Archaea love harsh environments. 

• true
• false

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 do viruses need to reproduce?

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

A(n) _____ is a virus that enters a bacterial cell.

• endospore
• decomposer
• plasmid
• bacteriophage

What provides direct energy for the virus?

• food
• its host
• the sun
• a parasite