When carrying out many of the tests for biological molecules, water is one of the substances tested. Why is this?
Answer
water will serve as a positive control for the test
water causes a positive reaction with every test
water helps limit changes in pH while the reaction occurs
water supplies oxygen needed in all of the reactions
water will serve as a negative control for the test

Question

When carrying out many of the tests for biological molecules, water is one of the substances tested. Why is this?
Answer
		water will serve as a positive control for the test
		water causes a positive reaction with every test
		water helps limit changes in pH while the reaction occurs
		water supplies oxygen needed in all of the reactions
		water will serve as a negative control for the test

anonymous · Answer

You should ask this question in the bio group

istim · Answer

I agree with Clark Kent there.

istim · Answer

You know how to do that?

istim · Answer

Huh. I don't think I know this subject material properly. My information comes from opinion.

istim · Answer

I do not understand  what it means by positive and negative control and reaction. Do you know what it means?