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BIOD 171/Microbiology Lab 1-9 Exam Portage Learning
BIOD 171/Microbiology Lab 1-9 Exam Portage Learning
[Show more]BIOD 171/Microbiology Lab 1-9 Exam Portage Learning
[Show more]LAB 1 
 
Answer the following questions 
 
1.	What three elements are used in an autoclave to sterilize equipment? 
 
heat, pressure, and steam 
 
2.	What is the minimum temperature an autoclave must be set at to achieve sterile condition? 
 
125°C 
 
3.	If you are working in a lab in which an auto...
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Add to cartLAB 1 
 
Answer the following questions 
 
1.	What three elements are used in an autoclave to sterilize equipment? 
 
heat, pressure, and steam 
 
2.	What is the minimum temperature an autoclave must be set at to achieve sterile condition? 
 
125°C 
 
3.	If you are working in a lab in which an auto...
The heat fixing procedure kills the specimen. This also prevents any observations on motility and enzymatic properties. 
 
2.	What is the proper way to dispose of all materials used during the lab? 
 
All materials must be place in a biohazardous waste bag and placed into an autoclave for sterilizat...
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Add to cartThe heat fixing procedure kills the specimen. This also prevents any observations on motility and enzymatic properties. 
 
2.	What is the proper way to dispose of all materials used during the lab? 
 
All materials must be place in a biohazardous waste bag and placed into an autoclave for sterilizat...
Preview 3 out of 22 pages
Add to cartExam (elaborations) BIOD 171
Creating a hydrophobic barrier (the circle) helps to keep the water within the circle so it does not spill off of the slide. 
 
4.	What dye do Gram-positive bacteria primarily retain? 
 
Crystal violet 
 
1.	Why are Gram-positive bacteria able to retain the crystal violet dye? 
 
They contain a thic...
Preview 3 out of 22 pages
Add to cartCreating a hydrophobic barrier (the circle) helps to keep the water within the circle so it does not spill off of the slide. 
 
4.	What dye do Gram-positive bacteria primarily retain? 
 
Crystal violet 
 
1.	Why are Gram-positive bacteria able to retain the crystal violet dye? 
 
They contain a thic...
1.	What type of bacteria does MacConkey agar select for? 
 
Gram-negative bacteria 
 
2.	Sorbitol MacConkey (SMAC) agar is: 
A.	Selective media 
B.	Differential media 
C.	Selective and differential media 
D.	None of the above 
 
C 
 
3.	What pathogen is best identified using a SMAC agar? 
 
E coli O...
Preview 3 out of 22 pages
Add to cart1.	What type of bacteria does MacConkey agar select for? 
 
Gram-negative bacteria 
 
2.	Sorbitol MacConkey (SMAC) agar is: 
A.	Selective media 
B.	Differential media 
C.	Selective and differential media 
D.	None of the above 
 
C 
 
3.	What pathogen is best identified using a SMAC agar? 
 
E coli O...
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