Fungi and Bacteria Flashcards
Fungi:
a) Fungal cell walls contain cellulose
b) Fungi can perform photosynthesis
c) All fungi are filamentous
d) A mould is a yeast
e) Dimorphic fungi can exist as both yeasts and as filamentous fungi
a) F
b) F
c) F
d) F
e) T
Fungi:
a) Conidia become airborne and spread infection through the air
b) Fungi are not inhibited by antibiotics
c) Aspergillus is a dimorphic fungus
d) Sabouraud’s medium is a common fungal media
a) T
b) T
c) T
d) F
e) T
Bacteria:
a) The microbiome refers to bacteria alone, not fungi
b) 25% of the world population have latent infection with TB
c) There are about 5 new cases of TB infection every day in Singapore
d) Childhood immunization includes tetanus diphtheria and pertussis
e) Adult immunisation includes pneumococcal vaccine for people over 65yrs
a) F
b) T
c) T
d) T
e) T
Bacteria:
a) The chromosome in prokaryotes is a linear strand of DNA
b) Prokaryotes have membrane bound organelles
c) The prokaryotic ribosome is 70s
d) Bacteria multiply by binary fission
e) Bacteria measure about 2-4 millimeters (mm)
a) F
b) F
c) T
d) T
e) F
Bacteria:
a) Gram positive bacteria have an outer cell membrane
b) Most bacterial cell walls contain peptidoglycan
c) Bacterial cell shapes are determined by the cell membrane
d) Gram positive bacteria stain pink with the gram stain
e) Lipo-polysaccharide is found in the inner cell membrane
a) F
b) F
c) T
d) T
e) F
Bacteria:
a) Plasmids are non-chromosomal pieces of DNA
b) Plasmids may encode genes for resistance to antibiotics
c) Plasmids may encode genes for pathogenicity
d) Conjugation refers to the uptake of plasmids from the environment
e) Bacteriophages may spread resistance by transduction of plasmids
a) T
b) T
c) T
d) F
e) T
Bacteria:
a) Mycoplasma spp. are resistant to drugs that act on peptidoglycan
b) Points are channels in cell membranes
c) Flagellae confer motility on bacteria
d) Pili enable bacteria to attach to target surfaces
a) T
b) T
c) T
d) T
Bacteria:
a) Mycobacteria stain well with the gram stain
b) The Ziehl Neelsen (ZN) stain is for fungi
c) The auramine stain is a fluorescent stain
d) Gram negative intracellular diplococci are typical of Neisseria spp.
e) Camplyobacter spp. are spiral gram negative bacteria
a) F
b) F
c) T
d) T
e) T
Bacteria:
a) Dark ground illumination is used for very thin bacteria
b) Flagella help bacteria to adhere to surfaces
c) Fimbriae are used for motility
d) Capsules allow long term dormancy
e) Spores help the bacteria evade the immune system
a) T
b) F
c) F
d) F
e) F
Bacteria:
a) Gram positive cocci in clusters are typical of a Staphylococcus spp.
b) Gram positive cocci in chains are typical of a Streptococcus spp.
c) Gram positive rods arranged as chinese characters are Bacillus spp.
d) Spores are formed by Clostridia spp.
e) Spores are formed by Bacillus spp.
a) T
b) T
c) F
d) T
e) T
