To test for protein, you added biuret solution and
observed color changes. suppose that...
![subject](/tpl/images/cats/biologiya.png)
Biology, 24.12.2019 23:31 alexseyreyes
To test for protein, you added biuret solution and
observed color changes. suppose that the color
data below was observed.
gelatin
(+ control)
pink/purple
water
(-control)
pink/purple
mystery food
sample
blue
the data above indicate an error. how do you
know? what might have caused the error?
![ansver](/tpl/images/cats/User.png)
Answers: 1
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