The Nature of Infection

Question 1

what is the bacterial cell wall made of?

Answer 1

peptidoglycan

Question 2

what is peptidoglycan?

Answer 2

a repeated polysaccharide structure of two sugars connected by peptide bonds

Question 3

describe the cell wall of gram positive bacteria

Answer 3

thick, with many layers of peptidoglycan

Question 4

describe the cell wall of gram negative bacteria

Answer 4

outer membrane + thin peptidoglycan layer

Question 5

name an antibiotic that targets the cell wall

Answer 5

penicillin

Question 6

what makes up the outer membrane of a gram negative bacteria?

Answer 6

lipopolysaccharides

Question 7

what is a flagellin?

Answer 7

a protein unit that creates a multi stranded filament called flagella

Question 8

what appendage is found on gram positive bacteria?

Answer 8

fimbria

Question 9

what type of bacteria are flagella found on?

Answer 9

both gram positive and gram negative

Question 10

what appendage is found on gram negative bacteria?

Answer 10

a pilus

Question 11

what are the four phases of bacterial growth?

Answer 11

lag phase
exponential phase
stationary phase
decline phase