Question

A student was testing a solution for the presence of proteins. They used Biuret's solution and got a negative result. What does this mean?

the solution was brown and there were no proteins

the solution was blue and there were no proteins

the solution was purple and there were no proteins

the solution was black and there were proteins

Answer 1

its not c or d

Answer 2

Do you have any ideas?

Answer 3

No

Answer 4

I think B actually

Answer 5

That is correct! Good Job