Chapter Four

Question 1

Bacteria that divide in multiple planes and form grape-like clusters are called..

Answer 1

staphylococci

Question 2

Bacteria divide by..

Answer 2

binary fission

Question 3

Prokaryotes generally..

Answer 3

lack organelles

Question 4

The word Bacillus may refer to…

Answer 4

rod-shaped cells and a specific genus

Question 5

some bacteria stain gram-positive and other stain gram-negative because of differences in the structure of their..

Answer 5

cell wall

Question 6

The bacterial cell wall is composed of…

Answer 6

peptidoglycan

Question 7

The cell walls of gram-positive bacteria contain..

Answer 7

teichoic acid

Question 8

The outer membrane of gram-negative bacteria contains..

Answer 8

lipopolysaccharide

Question 9

Acid-fast cell walls contain high concentrations of…

Answer 9

mycolic acid

Question 10

What structure protects pathogenic bacteria from phagocytosis?

Answer 10

capsule

Question 11

Spirochetes move by means of…

Answer 11

axial filaments

Question 12

What is NOT part of a flagellum?

Answer 12

Fimbriae

Question 13

Proteins that distinguish among serovars of gram-negative bacteria are found in which structures?

Answer 13

Flagella

Question 14

Molecules of extrachromosomal DNA in bacteria are known as…

Answer 14

plasmids

Question 15

What structure allows a cell to survive adverse environmental conditions?

Answer 15

endospore

Question 16

What is NOT a way materials can move across prokaryotic plasma membranes?

Answer 16

endocytosis