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MCB 2610 Lab Practical 3 Question and answers verified to pass 2024/2025 R253,62   Add to cart
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MCB 2610 Lab Practical 3 Question and answers verified to pass 2024/2025
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MCB 2610 Lab Practical 3 Question and answers verified to pass 2024/2025 MCB 2610 Lab Practical The __________ method is a quick and easy way to isolate bacteria - correct answer streak plate in what orientation do you incubate the plates after they have been streaked? - correct answer ...

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  • October 17, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • mcb 2610 lab practical 3
  • mcb 2610 lab practical 3 question and answers ve

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MCB 2610 Lab Practical
The __________ method is a quick and easy way to isolate bacteria - correct
answer ✔streak plate


in what orientation do you incubate the plates after they have been streaked?
- correct answer ✔agar half on top


what must you do to the loop before every use? - correct answer ✔flame
sterilize your loop


T/F: The last thing you do before leaving the lab is take off your lab coat -
correct answer ✔False


T/F: When performing a T-streak, the loop goes into the tube 3 times (once for
each section of the plate) - correct answer ✔False


T/F: You do not heat a pipette in the bunsen burner flame - correct answer
✔True


what is the first thing you should do following a spill? - correct answer ✔alert
TA


Who do you contact to reschedule a lab? - correct answer ✔one of your TAs
or lab supervisor


Where do the test tubes get disposed of? - correct answer ✔Test tube waste
under sink

, which of the following is an indirect mode of transmission? - correct answer
✔cell phone


T/F: When making a smear of the culture, you heat fix the slide before air
drying it completely - correct answer ✔False


T/F: Washing your hands is the last thing you do when you leave the lab -
correct answer ✔True


What is the magnification value of the ONLY objective lens that should come
in contact with immersion oil? - correct answer ✔100x


Pertaining to the Gram Stain, cells that retain crystal violet & appear purple
are said to be __________ - correct answer ✔Gram positive


T/F: your name, the date, and sample information goes on the lid of the agar
dish - correct answer ✔False


Pertaining to the Gram Stain, cells that do not retain crystal violet & appear
pink are said to be Gram ________ - correct answer ✔Negative


T/F: heat used during staining does not cause sporulation - correct answer
✔True


T/F: Malachite green stains the endospores green, while the safranin stains
vegetative cells pink - correct answer ✔True


T/F: a vegetative cell is formed in response to certain environmental
conditions such as depletion of nutrients - correct answer ✔False

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