BIOL 3201 Lab 7 Test Questions Answered Correctly Latest Update

BIOL 3201 Lab 7 Test Questions Answered Correctly Latest Update Psycrophiles - Answers Bacteria that have an optimal growth range between -5°C and 20°C Mesophiles - Answers Bacteria that have an optimal growth range between 20°C and 50°C Thermophiles - Answers Bacteria that have an optimal growth range between 50°C and 80°C Hyperthermophiles - Answers Bacteria that grow optimally above 80°C 35°C-40°C - Answers Most pathogens grow in what temperature range? Psychrotrophs - Answers Bacteria that can grow in temperatures above or below their optimal range, such as some foodborne pathogens Prodigiosin - Answers Red antibiotic pigment produced by Serratia marcescens Obligate aerobes - Answers Bacteria that require oxygen for metabolism Obligate aerobes - Answers Pseudomonas, Micrococcus, and many Bacillus are what kind of bacteria? Microaerophiles - Answers Aerobic bacteria that prefer 2-10% oxygen rather than the 21% found in the atmosphere Microaerophiles - Answers Helicobacter pylori and Campylobacter are what kind of bacteria? Facultative anaerobes - Answers Bacteria that produce energy by carrying out respiration when oxygen is available or fermentation when oxygen is not available Facultative anaerobes - Answers Escherichia coli and Salmonella are what kind of bacteria? Aerotolerant anaerobes - Answers Bacteria that grow in the presence of oxygen, but only use fermentation to produce energy Aerotolerant anaerobe - Answers Streptococcus pyogenes is what kind of bacteria? Obligate anaerobes - Answers Bacteria that are harmed or killed by oxygen Obligate anaerobe - Answers Clostridium is what kind of bacteria? Hydrogen peroxide and superoxide - Answers Toxic forms of oxygen Catalase and peroxidase - Answers Enzymes that degrade hydrogen peroxide Superoxide dismutase - Answers Enzyme that converts superoxide to oxygen and hydrogen peroxide Fluid Thioglycollate Medium (FTM) - Answers Rich liquid medium that supports the growth of both aerobic and anaerobic bacteria Resaruzin - Answers Dye found in in Fluid Thoglycollate Medium (FTM)