Cell envelope

Question 1

Cell wall function

Answer 1

• shape and structural support

Question 2

Gram positive cell walls have______ and contain______.

Answer 2

Thick peptidoglycan

teichoic and lipoteiochoic acid

Question 3

Gram-negative bacteria contain____. They have greater flexibility and ____ to lysis. They have an outer_____

Answer 3

Thin sheet of peptidoglycan
-sensitivity
outer membrane

Question 4

The gram-negative outer membrane is made up of

Answer 4

-lipopolysaccharide
porin proteins

Question 5

Function outer membrane in cell envelope

Answer 5

extra barrier

Question 6

Alcohol-based compounds dissolve lipids in the outer membrane TRUE or FALSE

Answer 6

True
Alcohol swabs used to cleanse the skin before certain medical procedures

Question 7

The cytoplasmic membrane is made up of

Answer 7

A lipid bilayer with proteins embedded

Question 8

The lipid bilayer serves as a site for

Answer 8

Energy reactions
Nutrient processing
Synthesis

Regulates transport of nutrients and wastes

Question 9

special carrier mechanisms for passage of most molecules

Answer 9

Selectively permeable

Question 10

Mycobacterium and Norcardia. These types of bacteria are considered

Answer 10

Acid-fast bacteria

Question 11

Long-chain fatty acid
Found in the cell walls of acid-fast bacteria
Contributes to the pathogenicity of the bacteria due to its resistance to certain chemicals and dyes.

Answer 11

Mycolic bacteria