Questions and Answers 100% Pass
All UTA microbiology labs are considered what biosafety level? - ✔✔BSL-2
What are four things that all BSL-2 labs must include? - ✔✔1. PPE
2. Sinks and eye wash stations
3. Restricted access
4. autoclaves (or alternative decontamination methods)
What is the plural for media? - ✔✔medium
media can come in a wide variety of formulations and can exist in what three states? -
✔✔solid, semi-solid, and liquid
Catalase is found in both - ✔✔prokaryotes and eukaryotes
What is often considered as a virulence factor for many pathogens? - ✔✔coagulase
What large amino acid polymer is found in the vertebrate connective tissues? -
✔✔gelatin
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, What large amino acid polymer is found in mammalian milk? - ✔✔Casein
A phenol red test has a pH indicator that is what color? - ✔✔red
In gelatin hydrolysis tests media contains what besides gelatin? - ✔✔peptone and beef
extract nutrients
Urea is a nitrogen containing organic molecule and principal end product of -
✔✔protein catabolism
Durham tube in phenol red test is used to - ✔✔capture gas produced by the microbe
Amylase enzymes are able to cleave starch molecules by breaking what? - ✔✔glycosidic
bonds between glucose monomers
What is the term for water molecules breaking complex molecules into simpler forms? -
✔✔hydrolysis
E. coli and S. faecalis are considered good sewage indicators because they are not
normally - ✔✔present in water or soil
Are coliforms gram-negative or gram-positive coccus? - ✔✔gram-negative
Microorganisms capable of producing citrate permease will be able to utilize citrate as
their - ✔✔sole carbon source
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