Attempt History
Attempt Time Score
LATEST Attempt 1 21 minutes 46 out of 50
Score for this quiz: 46 out of 50
Submitted Jun 3 at 7:16pm
This attempt took 21 minutes. Question 1 pts
Using the observations made and recorded from PL09 Unknown Pathogen, complete the results sections accordingly. Given Culture A and Culture B were accidentally mixed, what observations were made from the Gram stain (shown below)? Your Answer:
some of the bacteria are Gram positive which we can see in purple clusters , some other bacteria are Gram negative that they are pink and their shape are rod Gram-positive cocci (spherical) clusters and Gram-negative bacillus (rods) were observed. This study source was downloaded by 100000856043767 from CourseHero.com on 11-03-2022 06:31:19 GMT -05:00
https://www.coursehero.com/file/96114525/BIOD-171-Lab9examdocx/BIOD 171 LAB EXAM 9 Question 2 pts
Using the observations made and recorded from PL09 Unknown Pathogen, complete the results sections accordingly. Given the results from a MacConkey agar plate shown below, what is the shape of Culture A? Culture B? Your Answer:
MacConkey is a selective media and only Gram negative bacteria grow on it
Culture A- No growth
Culture B- there is growth, culture B must be gram negative.
MacConkey agar is selective for Gram-negative bacteria. Thus, Culture A must be Gram-positive as no growth was observed. Coupled to the results of the gram stain, Culture A (Gram-positive) must be the cocci.
Culture B must be Gram-negative (growth observed) and this correlates to the bacillus or rod-shaped bacteria. what is the shape of Culture A? Culture B? Question 3 ptsThis study source was downloaded by 100000856043767 from CourseHero.com on 11-03-2022 06:31:19 GMT -05:00
https://www.coursehero.com/file/96114525/BIOD-171-Lab9examdocx/
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