What is the stage of mitosis where chromosomes align in the middle of the cell before being separated into each of the two daughter cells.

How is an environment able to support different varieties of organisms?

Does masterbation affect height growth or loss of growth hormone?

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.