Microbiology Lab Final Exam with
Verified Solutions
All UTA microbiology labs are considered what biosafety level? Correct Ans-BSL-2
What are four things that all BSL-2 labs must include? Correct Ans-1. PPE
2. Sinks and eye wash stations
3. Restricted access
4. autoclaves (or alternative decontamination methods)
What is the plural for media? Correct Ans-medium
media can come in a wide variety of formulations and can exist in what three states? Correct
Ans-solid, semi-solid, and liquid
Catalase is found in both Correct Ans-prokaryotes and eukaryotes
What is often considered as a virulence factor for many pathogens? Correct Ans-coagulase
What large amino acid polymer is found in the vertebrate connective tissues? Correct Ans-
gelatin
, What large amino acid polymer is found in mammalian milk? Correct Ans-Casein
A phenol red test has a pH indicator that is what color? Correct Ans-red
In gelatin hydrolysis tests media contains what besides gelatin? Correct Ans-peptone and beef
extract nutrients
Urea is a nitrogen containing organic molecule and principal end product of Correct Ans-
protein catabolism
Durham tube in phenol red test is used to Correct Ans-capture gas produced by the microbe
Amylase enzymes are able to cleave starch molecules by breaking what? Correct Ans-
glycosidic bonds between glucose monomers
What is the term for water molecules breaking complex molecules into simpler forms?
Correct Ans-hydrolysis
E. coli and S. faecalis are considered good sewage indicators because they are not normally
Correct Ans-present in water or soil
Are coliforms gram-negative or gram-positive coccus? Correct Ans-gram-negative
Verified Solutions
All UTA microbiology labs are considered what biosafety level? Correct Ans-BSL-2
What are four things that all BSL-2 labs must include? Correct Ans-1. PPE
2. Sinks and eye wash stations
3. Restricted access
4. autoclaves (or alternative decontamination methods)
What is the plural for media? Correct Ans-medium
media can come in a wide variety of formulations and can exist in what three states? Correct
Ans-solid, semi-solid, and liquid
Catalase is found in both Correct Ans-prokaryotes and eukaryotes
What is often considered as a virulence factor for many pathogens? Correct Ans-coagulase
What large amino acid polymer is found in the vertebrate connective tissues? Correct Ans-
gelatin
, What large amino acid polymer is found in mammalian milk? Correct Ans-Casein
A phenol red test has a pH indicator that is what color? Correct Ans-red
In gelatin hydrolysis tests media contains what besides gelatin? Correct Ans-peptone and beef
extract nutrients
Urea is a nitrogen containing organic molecule and principal end product of Correct Ans-
protein catabolism
Durham tube in phenol red test is used to Correct Ans-capture gas produced by the microbe
Amylase enzymes are able to cleave starch molecules by breaking what? Correct Ans-
glycosidic bonds between glucose monomers
What is the term for water molecules breaking complex molecules into simpler forms?
Correct Ans-hydrolysis
E. coli and S. faecalis are considered good sewage indicators because they are not normally
Correct Ans-present in water or soil
Are coliforms gram-negative or gram-positive coccus? Correct Ans-gram-negative
