Help me

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.

Three applications for admission to a local university are checked, and it is determined whether each applicant is male or female. the number of sample points in this experiment is

How is synaptic signaling different from paracrine signaling?