FIRST PUBLISH OCTOBER 2024
UConn MCB 2610 Final Lab Practical
Exam Questions and Answers
The ________ method is a quick and easy way to isolate bacteria. - ANSWER✔✔-Streak plate
How many times do you get culture from the tube while performing a t-streak? - ANSWER✔✔-Once
Who do you contact to reschedule a lab? - ANSWER✔✔-Gino
The culture tubes are disposed of in the gray trash bin. True/false? - ANSWER✔✔-FALSE
What is the first thing you do after a spill? - ANSWER✔✔-Tell the TA
Which of the following is an indirect mode of transmission - an insect, a cellphone, a sneeze? -
ANSWER✔✔-Cellphone
What is the last thing you do before leaving lab? - ANSWER✔✔-Wash hands for 20 seconds
The outer cone is the hottest part of the flame. True/false? - ANSWER✔✔-FALSE
Where are slides disposed of? - ANSWER✔✔-Sharps container
What must you do to the loop before every use? - ANSWER✔✔-Heat in Bunsen-burner flame
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FIRST PUBLISH OCTOBER 2024
True/False: When making a smear of the culture, you heat fix the slide before air drying it completely. -
ANSWER✔✔-FALSE
True/False: wiping down the bench with wescodyne is the last thing you do when leaving the lab. -
ANSWER✔✔-FALSE
What is the magnification value of the ONLY objective lens that should come in contact with immersion
oil? - ANSWER✔✔-100x
Pertaining to Gram stain, cells that retain crystal violet and appear purple are said to be_____. -
ANSWER✔✔-Gram positive
True/False: your name, the date, and sample information goes on the lid of the agar dish. - ANSWER✔✔-
FALSE
Pertaining to Gram stain, cells that do not retain crystal violet and appear pink, are said to be ____. -
ANSWER✔✔-Gram negative
True/False: heat used during staining causes sporulation. - ANSWER✔✔-FALSE
True/False: malachite green stains the vegetative cells green, while the safranin stains endospores pink. -
ANSWER✔✔-FALSE
True/False: a vegetative cell is formed in response to certain environmental conditions such as depletion
of nutrients. - ANSWER✔✔-TRUE
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