We do not permit students to run two parallel bacterial cultures at once, though

ID: 182427 • Letter: W

Question

We do not permit students to run two parallel bacterial cultures at once, though ostensibly it would provide a backup in case their first culture attempt failed. Why are students only allowed one culture tube at a time? There are two major reasons for this.
Please help me answer this question. my opinion is: if the first one is successful, we have to dispose that backup one. If not properly handled, this will cause some pulltion or some damage to people or environment.( I am not sure, my answer might be wrong! If you know the answer, please write down both two major reasons!) We do not permit students to run two parallel bacterial cultures at once, though ostensibly it would provide a backup in case their first culture attempt failed. Why are students only allowed one culture tube at a time? There are two major reasons for this.
Please help me answer this question. my opinion is: if the first one is successful, we have to dispose that backup one. If not properly handled, this will cause some pulltion or some damage to people or environment.( I am not sure, my answer might be wrong! If you know the answer, please write down both two major reasons!)
Please help me answer this question. my opinion is: if the first one is successful, we have to dispose that backup one. If not properly handled, this will cause some pulltion or some damage to people or environment.( I am not sure, my answer might be wrong! If you know the answer, please write down both two major reasons!)

Explanation / Answer

using two Bacterial cultures at the same time

1. As it increases the chances of errors in experiment because of following reasons:.

A. misidentification

B. loss of focus due to distraction caused by handling to cultures.

C. Cross-Contamination of two cultures being experimented on.

2. All bacterial species are assumed to be potentially harmful so least number is suggested to be handled simultaneously as their disposing may Contaminate the environment.

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We do not permit students to run two parallel bacterial cultures at once, though

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