A student made a model of a eukaryotic cell using the resealable plastic bag shown. She placed a golf ball inside
the bag
The bag represents the flexible outermost boundary of a cell. Which part of a
cell is most likely represented by the ball?

A. Cell membrane

B. Nucleus

C. Cytoplasm

D. Cell wall

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.