Answer the following questions: A. Which macromolecules is the lab testing for the presence of? ANS = Carbohydrates.Lipids and proteins B.Which solution tests for the presence of starch? ANS = lodine -potassium iodine c. Why does test tube 2 change color in the first test? ANS = lodine binding to the ends of large starch molecules D What is the purpose of test tube 1 in the first test? ANS = As a base comparison answer is already given į need detailed explanation of all four parts if u dont know all parts please skip its request correct answer gives u 3 likes please dont copy otherwise downvote

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