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BESC 204 Exam 2 Complete Questions And Solutions $14.49   Add to cart

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BESC 204 Exam 2 Complete Questions And Solutions

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BESC 204 Exam 2 Complete Questions And Solutions

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  • August 27, 2024
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BESC 204 Exam 2 Complete Questions
And Solutions
Phytophthora infestans CORRECT ANSWERS the fungus that caused Late Blight of
Potato

Direct germination CORRECT ANSWERS germination by hyphal growth

Indirect germination CORRECT ANSWERS germination by zoospore formation

Antheridium CORRECT ANSWERS "male" part of oomycete sexual reproduction

Plasmopora viticola CORRECT ANSWERS fungus that causes the disease Grape
Downy Mildew

Obligate pathogen CORRECT ANSWERS The pathogen can only complete their
development on a living host.

Ex. Rusts

Obligate biotroph CORRECT ANSWERS pathogens that extract nutrients only from
living plant tissues and cannot grow apart from their hosts.

whiplash flagella CORRECT ANSWERS type of flagellum with no hair-like structures

tinsel flagella CORRECT ANSWERS type of flagellum with many hair-like structures
attached

germ theory CORRECT ANSWERS the theory that all contagious diseases are caused
by microorganisms

peptidoglycan CORRECT ANSWERS main wall polymer of bacteria

penicillin CORRECT ANSWERS antibiotic produced naturally by certain blue molds

mode of action: it prevents the cross-linking of small peptide chains in peptidoglycan.

cephalosporin CORRECT ANSWERS 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 CORRECT ANSWERS 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 CORRECT ANSWERS

cilofungin CORRECT ANSWERS a semi-synthetic antibiotic

developed to combat Candida albicans

cyclosporine CORRECT ANSWERS immuno-modulator (depresses active immune
system)

helpful for diabetics to free them from insulin injections

prevents rejection from transplants

lovastatin CORRECT ANSWERS inhibits cholesterol synthesis by blocking the action of
an Enzyme HMG-CoA redcutase

secondary metabolite CORRECT ANSWERS products of metabolism that are not
essential for normal growth, development or reproduction of an organism.

mycotoxin CORRECT ANSWERS A secondary metabolite produced by fungus that is
toxic to humans and/or animals

turkey-x disease CORRECT ANSWERS the disease that caused 100,000 turkeys to die
and mycotoxins to be discovered.

aflatoxin CORRECT ANSWERS Aspergillus flavus

Primary site of action is the liver.

Commonly associated w/ liver cancer.

It was discovered when the Turkey-disease occurred and killed 100,000 turkeys in
Europe. They realized all of the turkey's had eaten the same peanut meal which the
fungus Aspergillus flavus was growing on.

Peanuts and corn are susceptible

zearelenone CORRECT ANSWERS Fusarium toxin

It mimics estrogen, causes malformation of female reproductive organs

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