Question

select the tubes that contain protein. select all that apply. tube 1: pepsin tube 2: albumin tube 3: starch tube 4: water

Explanation:

• Pepsin is a protease (a type of protein enzyme) and albumin is a protein. Starch is a carbohydrate, and water is a simple molecule with no protein. So tubes with protein are Tube 1 (Pepsin) and Tube 2 (Albumin).

Answer:

A. Tube 1: Pepsin, B. Tube 2: Albumin