BESC 204 Exam 2 Questions with Correct
Answers
Phytophthora infestans
the fungus that caused Late Blight of Potato
Direct germination
germination by hyphal growth
Indirect germination
germination by zoospore formation
Antheridium
"male" part of oomycete sexual reproduction
Plasmopora viticola
fungus that causes the disease Grape Downy Mildew
Obligate pathogen
The pathogen can only complete their development on a living host.
Ex. Rusts
Obligate biotroph
pathogens that extract nutrients only from living plant tissues and cannot grow apart from
their hosts.
whiplash flagella
type of flagellum with no hair-like structures
,tinsel flagella
type of flagellum with many hair-like structures attached
germ theory
the theory that all contagious diseases are caused by microorganisms
peptidoglycan
main wall polymer of bacteria
penicillin
antibiotic produced naturally by certain blue molds
mode of action: it prevents the cross-linking of small peptide chains in peptidoglycan.
cephalosporin
one of several broad spectrum antibiotic substances obtained from fungi and related to
penicillin
similar mode of action as penicillin; it affects the peptidoglycan
griseofulyin
fungistatic antibiotic, that is it will inhibit the fungal growth and does not kill fungi; it is not
fungicidal
effective against fungal infections of hair, nail, and sking
Mode of Action: inhibits microtubule dynamics
, fusic acid
cilofungin
a semi-synthetic antibiotic
developed to combat Candida albicans
cyclosporine
immuno-modulator (depresses active immune system)
helpful for diabetics to free them from insulin injections
prevents rejection from transplants
lovastatin
inhibits cholesterol synthesis by blocking the action of an Enzyme HMG-CoA redcutase
secondary metabolite
products of metabolism that are not essential for normal growth, development or reproduction
of an organism.
mycotoxin
A secondary metabolite produced by fungus that is toxic to humans and/or animals
turkey-x disease
the disease that caused 100,000 turkeys to die and mycotoxins to be discovered.
aflatoxin
Answers
Phytophthora infestans
the fungus that caused Late Blight of Potato
Direct germination
germination by hyphal growth
Indirect germination
germination by zoospore formation
Antheridium
"male" part of oomycete sexual reproduction
Plasmopora viticola
fungus that causes the disease Grape Downy Mildew
Obligate pathogen
The pathogen can only complete their development on a living host.
Ex. Rusts
Obligate biotroph
pathogens that extract nutrients only from living plant tissues and cannot grow apart from
their hosts.
whiplash flagella
type of flagellum with no hair-like structures
,tinsel flagella
type of flagellum with many hair-like structures attached
germ theory
the theory that all contagious diseases are caused by microorganisms
peptidoglycan
main wall polymer of bacteria
penicillin
antibiotic produced naturally by certain blue molds
mode of action: it prevents the cross-linking of small peptide chains in peptidoglycan.
cephalosporin
one of several broad spectrum antibiotic substances obtained from fungi and related to
penicillin
similar mode of action as penicillin; it affects the peptidoglycan
griseofulyin
fungistatic antibiotic, that is it will inhibit the fungal growth and does not kill fungi; it is not
fungicidal
effective against fungal infections of hair, nail, and sking
Mode of Action: inhibits microtubule dynamics
, fusic acid
cilofungin
a semi-synthetic antibiotic
developed to combat Candida albicans
cyclosporine
immuno-modulator (depresses active immune system)
helpful for diabetics to free them from insulin injections
prevents rejection from transplants
lovastatin
inhibits cholesterol synthesis by blocking the action of an Enzyme HMG-CoA redcutase
secondary metabolite
products of metabolism that are not essential for normal growth, development or reproduction
of an organism.
mycotoxin
A secondary metabolite produced by fungus that is toxic to humans and/or animals
turkey-x disease
the disease that caused 100,000 turkeys to die and mycotoxins to be discovered.
aflatoxin
