Juan believes that robins are a good example of a bird. sergei believes that penguins are a good example of a bird. juan and sergei are both correct according to the model of organizing concepts.

The answer is exemplar model of organizing concepts. It is because the exemplar model was able to make Juan and Sergei correct because this model enables their examples to be appropriate or compatible to the questions being asked. It is a way of saying that the examples that they have been given is the a good example to the question that has been asked, making it correct and reliable.

In my own word cell technology can  lead to advances in the understanding of diseases mechanism and transmission because diseases is very bad

Active transport. now that i answered your question i wish you can me