Nmicrobiology lab, you make three different culture plates: one general purpose plate, one selective media plate, and one differential media plate. unfortunately, you forget to label the different plates, so you do not know which is which. to determine the identity of each plate, you inoculate it with two different strains of laboratory bacteria. after inoculation, you see that a particular plate has allowed both organisms to grow, but one has changed color. which plate do you think this is?
a. it is impossible to distinguish between selective and differential media in this case.
b. general purpose media
c. selective media
d. differential media

The correct answer is option d. "differential media".

Explanation:

Differential media is defined as a bacteriological growth strategy that allows to distinguish selected species by using specific ingredients in the media. In the example, after inoculation one plate allowed the growth of two organisms but one with a changed color. This plate description fits with a differential media, allowing to distinguish among different microorganism based on its color. Therefore, it is correct to assume that this plate belongs to the differential media.

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picture a world where computers are building made-to-order personalized robotic arms and synthetic organs, drones are circulating above mars! due to the rapid growth of technology, the future has never been more unpredictable, and it presents a huge challenge in education: we are teaching students how to work in a future that we have never been unsure of. it is widely predicted that in eight years’ time, there will be more jobs in the fields of science, mathematics, technology and engineering than in any other discipline. and, as the technology continues to develop, it will soon become clear that addressing social problems will involve more innovative thinking, and analytical and technical knowledge than ever before. undeniably, there are no subjects that encourage innovative and creative thinking, deep thought, problem solving and independence more than the stem subjects. while it is widely commented on that there is a need to reimagine the ways stem subjects are taught in schools by embracing a more interactive and innovative approach to appeal to more students, it should come as no surprise that some of the most reputable educational organizations in the world are already implementing changes to embrace stem. harvard, for example, announced in 2014 that they were increasing their computer science faculty by over 50% and has since introduced computer science as a core subject for all freshmen. the urgency of supporting stem subjects at a young age is becoming more relevant than ever, as adopting a keen interest in the curricula needs to happen early. however, beyond the age issue is one of gender.

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