Question

multiple choice question

what common term describes the bacterium/bacteria in an original sample that give rise to a colony on a plate?

master colony former
colony forming unit
progenerator
dot

Explanation:

Identify the definition of a colony-forming unit

In microbiology, a single bacterium, a clump of bacteria, or a chain of bacteria from an original sample that multiplies to form a single visible colony on a solid agar plate is referred to as a colony-forming unit (CFU).

Evaluate the given options

• Master colony former: Not a standard microbiological term.
• Colony forming unit: The correct scientific term used to estimate the number of viable bacteria in a sample.
• Progenerator: Incorrect terminology.
• Dot: A descriptive term for the visual appearance of a colony, but not the scientific term for the progenitor cell(s).

Answer:

• Master colony former
• Colony forming unit (Correct answer)
• Progenerator
• Dot