Correct Answers
Where are prokaryotes found? - Answer Everywhere, air, ground, water, human body
carbon fixation - Answer Prokaryotes concert CO2 into organic carbon products
nitrogen fixation - Answer Conversion of atmospheric nitrogen into ammonia for survival of plants
Prokaryotes clean up - Answer Degrade toxic chemicals
How many are pathogen? - Answer Less than 1%
How can bacteria contaminate food - Answer Food spoilage and food borne illness
Prokaryote characteristics - Answer Unicellular lack membrane bound nucleus and organelles
microbial ecology - Answer Study interactions btwn populations
Cooperative Interactions - Answer Benefit the populations
Competitive interactions - Answer one population competes with another for resources
Mutualism - Answer Both benefit
Amensalism - Answer One harmed and other not affected
Commensalism - Answer One benefits and other not affected
, Neutralism - Answer Neither affected
Parasitism - Answer One benefits and other negatively affected
resident microbiota - Answer On human body, important for human health
transient microbiota - Answer Temporarily on human body (pathogens)
Gram-negative bacteria - Answer Proteobacteria and non-proteobacteria
gram positive - Answer Actinobacteria (high g+c) and bacilli (low g+c)
Proteobacteria - Answer alpha, beta, gamma, delta, epsilon
Nonproteobacteria - Answer Spirochetes, CFB, Plantomycete
Actinobacteria high g+c - Answer Actinomyces app. , mycobacteria, corynebacteria
Bacilli low g+c - Answer Clostridia, lactobacillales, bacilli
Mycoplasma (Low G+C) - Answer Not gram and no cell wall
Alphaproteobacteria - Answer Oligotrophs (grow with low levels of nutrients)
Agriculturally important and several pathogens
Chlamydia ssp. - Answer Alphaproteobacteria
Trachoma/blindness
STD (LGV): contagious and common in colleges