In the context of the information provided, the use of an inoculation loop for streaking agar in a petri dish is MOST closely associated with:
Understand the Problem
The question is asking which option best describes the primary purpose of using an inoculation loop when streaking agar in a petri dish. It requires analyzing the function of the inoculation loop in microbiology.
Answer
Isolating colonies of microorganisms.
Streaking agar in a petri dish with an inoculation loop is most closely associated with isolating colonies of microorganisms for pure cultures.
Answer for screen readers
Streaking agar in a petri dish with an inoculation loop is most closely associated with isolating colonies of microorganisms for pure cultures.
More Information
Using an inoculation loop to streak agar is integral for the microbial technique in microbiology labs to obtain individual colonies from a mixed sample. This helps in the study of the morphology, identity, or antibiotic resistance of the microorganism.
Tips
A common mistake is not properly sterilizing the inoculation loop, leading to contamination, or not applying the streaking technique correctly, which can prevent individual colonies from forming.
Sources
- 1.8: Plating on Petri Plates for Isolation - Biology LibreTexts - bio.libretexts.org
- The Streak Plate Protocol - American Society for Microbiology - asm.org
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