Question

What is the positive control? Select all that apply a. should always produce a positive response...

What is the positive control? Select all that apply

a. should always produce a positive response

b. shows definitively that reagents and conditions are correct

c. suggests that reagents and conditions are functioning correctly

d. is useful, but not required

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Answer #1

Positive control-

A positive control will give you the result that you want. Say that you're looking for antibacterial activity in a new medication - you would use a known antibiotic as a positive control so that you know what antibacterial activity looks like in whatever tests your running.

If the positive control does not produce the expected result, there may be something wrong with the experimental procedure, and the experiment is repeated. For difficult or complicated experiments, the result from the positive control can also help in comparison to previous experimental results

So,

A. Positive control should always produce a positive response

B.Shows definitively that reagents and conditions are correct

C. Suggest that reagents and conditions are functioning correctly

D. Option is not apply because positive control is not only useful but also required in studies.

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