The cell wall of a plant is made from phospholipids and cellulose.
a. true
b. false

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

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.