Microbiology Lab Final Exam _ Quizlet

.pdf

School

Carleton University *

*We aren’t endorsed by this school

Course

2303A

Subject

Biology

Date

Dec 6, 2023

Type

pdf

Pages

7

Uploaded by SuperHumanClover11990

Report
11/28/23, 11:01 PM Microbiology Lab Final Exam | Quizlet https://quizlet.com/86886730/test?funnelUUID=da3ab02e-47c9-48e3-b1e5-639cf8d4fbb0 1/7 Name: Score: 20 Multiple choice questions Definition What could the results of vouges proskauer look like? black is + red is + yellow is - yellow is + red is + nothing is - 1 of 20 Definition O/F in O/F glucose stands for does the organism oxidize and/or ferment glucose triple sugar iron macconkey agar oxidative/fermentation 2 of 20 Definition Define differential media ability of organisms to tolerate bile and hydrolyze esculin designed to grow only specific bacteria but not others designed to show the difference between different organisms grown on aids in the protection of foreign DNA, restriction enzymes function by binding to the DNA and cutting out damaged portions. sites are short, usually 4-8 nucleotides 3 of 20
11/28/23, 11:01 PM Microbiology Lab Final Exam | Quizlet https://quizlet.com/86886730/test?funnelUUID=da3ab02e-47c9-48e3-b1e5-639cf8d4fbb0 2/7 Definition What reagant is added to bile esculin? bile beef extract ferric citrate phenol red 4 of 20 Definition What will a positive indole test look like? red ring yellow ring yellow color black precipitate 5 of 20 Definition What are the possible results of a HEA test? binds to DNA and will fluoresce under a UV light pink growth indicates lactose fermenter and sulfur reducer good growth indicates a gram negative bacterium that is not inhibited by crystal violet or bile. pink to red growth without bile indicates that the organism produces acid from lactose fermentation and is a probable coliform. colorless growth is a non lactose fermenting organism and noncoliform. yellow indicates acid production red with some black growth indicates sulfur reduction 6 of 20
11/28/23, 11:01 PM Microbiology Lab Final Exam | Quizlet https://quizlet.com/86886730/test?funnelUUID=da3ab02e-47c9-48e3-b1e5-639cf8d4fbb0 3/7 Definition Define selective media does the organism have tryptophan designed to show the difference between different organisms grown on designed to grow only specific bacteria but not others catalyzes the decomposition of hydrogen peroxide to water and oxygen (H O² → H O + O ) 7 of 20 Definition How many cycles does a PCR rxn usually go? yellow indicates acid production red with some black growth indicates sulfur reduction 30 red ring No 8 of 20 Definition What is the indicator in MSA whether the fermentation takes place or not? methyl red phenol red neutral red nothing, still red 9 of 20
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
  • Access to all documents
  • Unlimited textbook solutions
  • 24/7 expert homework help