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