Which of the following statements are true? 1.molecular hydrogen is used as the medium for the molecules in the body. 2.molecular oxygen is used to break chemical bonds. 3.molecular oxygen is used as the medium for the molecules in the body. 4.water is used as the medium for the molecules in the body. so, the answer are 2 and 4

Match the digestive enzymes to the macromolecules they to digest. break down fats into glycerol and fatty acids break down carbohydrates into simple sugars break down nucleic acids into nitrogenous bases and simple sugars break down proteins into amino acids

Biology 1c cumulative exam i need awsners

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.