Bacteria & Archaea

Bacteria are found in many different shapes. What are the 3 most common shapes of bacteria.

• rod, sphere, spiral

• square sphere, spiral

• spiral, rectangle, sphere

What's the difference between archaea and bacteria?

• There is no difference.

• Archaea is single celled and bacteria is multi-celled.

• Archaea is less common and bacteria is found everywhere

Tags

NGSS.MS-LS4-2

All answers listed below are true about bacteria except

• all are prokaryotes

• all are harmful

• all are unicellular

• they do not have nucleus

What material is found in most bacterial cell wall?

• cellulose

• chitin

• peptidoglycan

• amylose

Cyanobacteria are…

• Photoheterotrophs

• Photoautotrophs

• Chemoautotrophs

• Chemoheterotrophs

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following statements are TRUE about organisms in the Domain Bacteria?

I. Consist of bacteria and cyanobacteria

II. Some are photoautotrophs

III. Genetic material is a single stranded DNA

IV. Organelles are not present

• I and II

• I, II and III

• I, II and IV

• I, II, III and IV

Tags

NGSS.MS-LS1-6

Which domain has nucleus?

• Bacteria

• Archaea

• Eukarya

Which of the following structures allow the bacteria to join together to transfer DNA?

• flagella

• pores

• connecting channels

• pilus

A long, whip-like structure that helps a cell to move.

• pasteurization

• bacteria

• flagellum

• endospore

A structure produced by prokaryotes, such as bacteria, in unfavorable conditions; a thick wall encloses the DNA and some of the cytoplasm.

• bacteria

• cell wall

• endospore

• microscope