Why were positive and negative controls needed


Assignment task: Based on the ELISA Testing Method

Q1. Why were positive and negative controls needed for each person's test strip?

Q2. What was the purpose of washing the wells between the additions of each reagent?

Q3. Explain what is meant by a false positive test. Name one error that would result in a false positive test.

Q4. Explain what is meant by a false negative test. Name one error that would result in a false negative test.

Q5. Can you anticipate any problems if you left an ELISA plate overnight and then measured the amount of color produced the next morning? Would you trust the results?

Q6. After doing the lab, would you agree or disagree with the following statement, "When you have sex with someone, you are also having sex with everyone that they have previously had sex with." Explain your answer.

Q7. How can you protect yourself from sexually transmitted diseases?

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Biology: Why were positive and negative controls needed
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