HCC MICROBIOLOGY MID TERM CHAPTER
1,3,4,5,6,7
A flagellum is anchored into the bacterial cell envelope by its _____.
Multiple Choice
hook
outer membrane
filament
sheath
basal body - Answers :basal body
The slime layer provides bacteria greater pathogenicity as compared to the capsule.
T or F - Answers :
Stain for Mycobacterium and Nocardia
The _____ stain is used to stain and differentiate Mycobacterium and Nocardia from
other bacteria.
Multiple Choice
acid-fast
methylene blue
Gram
negative
basic - Answers :acid fast
Lipopolysaccharide is an important cell wall component of _____.
Multiple Choice
gram-negative bacteria
gram-positive bacteria
acid-fast bacteria
mycoplasmas
protoplasts - Answers :gram-negative bacteria
, All bacterial cells have ________.
Multiple Choice
one or more chromosomes
one or more fimbriae
the ability to produce endospores
capsules
flagella - Answers :one or more chromosomes
All of the following structures contribute to the ability of pathogenic bacteria to cause
disease except the _____.
Multiple Choice
inclusions
fimbriae
capsule
slime layer
LPS - Answers :inclusions
Pili used for conjugation are only found on gram-negative bacteria.
True or False - Answers :
The bacterial cell membrane is a site for many enzymes and metabolic reactions.
True or False
True False - Answers :
The term that refers to the presence of a tuft of flagella emerging from the same site is
_____.
Multiple Choice
amphitrichous
atrichous
lophotrichous
monotrichous
peritrichous - Answers :lophotrichous
During the Gram stain, _____ cells decolorize when the alcohol is applied.
Multiple Choice
gram-positive
gram-negative
1,3,4,5,6,7
A flagellum is anchored into the bacterial cell envelope by its _____.
Multiple Choice
hook
outer membrane
filament
sheath
basal body - Answers :basal body
The slime layer provides bacteria greater pathogenicity as compared to the capsule.
T or F - Answers :
Stain for Mycobacterium and Nocardia
The _____ stain is used to stain and differentiate Mycobacterium and Nocardia from
other bacteria.
Multiple Choice
acid-fast
methylene blue
Gram
negative
basic - Answers :acid fast
Lipopolysaccharide is an important cell wall component of _____.
Multiple Choice
gram-negative bacteria
gram-positive bacteria
acid-fast bacteria
mycoplasmas
protoplasts - Answers :gram-negative bacteria
, All bacterial cells have ________.
Multiple Choice
one or more chromosomes
one or more fimbriae
the ability to produce endospores
capsules
flagella - Answers :one or more chromosomes
All of the following structures contribute to the ability of pathogenic bacteria to cause
disease except the _____.
Multiple Choice
inclusions
fimbriae
capsule
slime layer
LPS - Answers :inclusions
Pili used for conjugation are only found on gram-negative bacteria.
True or False - Answers :
The bacterial cell membrane is a site for many enzymes and metabolic reactions.
True or False
True False - Answers :
The term that refers to the presence of a tuft of flagella emerging from the same site is
_____.
Multiple Choice
amphitrichous
atrichous
lophotrichous
monotrichous
peritrichous - Answers :lophotrichous
During the Gram stain, _____ cells decolorize when the alcohol is applied.
Multiple Choice
gram-positive
gram-negative
