Which of the following describes all animals? A. All animals have backbones. B. All animals are multicellular. C. All animals control their own body temperature. D. All animals are vertebrates.

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.

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?