A biochemist wants to test five different mystery solutions for nutrients. In her experiment, what would be the controlled variables?

A biochemist is testing five different mystery solutions for protein. He designates one test tube for a control. What is his dependent varaible?

A biochemist is performing a Biuret test on a mystery solution. Which test tube would be the experimental control? Why is this needed.

A mystery solution was tested using iodine. The mystery solution turned black while the control remained iodine-colored. What is this solution?

A biochemist is testing five different mystery solutions for protein. He designates one test tube for a control. What is his independent variable?

Scientists can collect qualitative data or quantitative data. Which type of data are you collecting when you do Biuret Tests, Bennedict's Tests, Iodine Tests, and Sudan III Tests?

In the experiment in this picture, which controlled variable was not controlled very well?

What does a positive Bennedict's test tell you about the mystery solution you are testing?

Starch and Celluose are both ______________.

When Biuret solution is added to a mystery solution the chemical reaction produced a dark purple color. What does this tell you?

A Bennedict's test was performed. Is it possible that positive test reveals that the solution contains sucrose?

If you really want to know if this Sudan III test of this mystery solution is postive, what should you do?

In an iodine test, what is the experiemental control?