Biology, 22.03.2020 23:35 NightCaribou644

Which test tube(s) acts as a negative control?
gelatin
water
mystery food sample
both water and gelatin

Answers: 1

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Which test tube(s) acts as a negative control?
gelatin
water
mystery food sample

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Which test tube(s) acts as a negative control? gelatin water mystery food sample both water and gelatin

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Another question on Biology

Which test tube(s) acts as a negative control?
gelatin
water
mystery food sample
both water and gelatin