1point a network of small arteries called the provides a blood supply to the tunica externa of very large vessels.

How does an angiosperm prevent self pollination

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.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?