BIOL 103 Lecture Notes - Lecture 5: Test Tube, Digestion

What if… you had one known sample of DNA in a test tube 1, and one known sample of protein in test tube 2, how could you determine if an unknown substance in test tube 3 was a DNA molecule? Provide 2 ways to accomplish this task. (You can remove the substances from the test tubes for analysis)

test tube 1 has plain milk and lactaid
test tube 2 has maltose and lactaid
which test tube had glucose at the end of the experiment? why or why not? Think about the specificity of the enzyme lactase in formulating your answer for test tube with maltose

How could you use the spectrophotometer to determine the starch concentration in the two test tubes in terms of g/L?