Which of the following is a typical characteristic to distinguish Eukarya from both Bacteria and Archaea and why? A
cell organelles, because they are present in Eukarya
B
nuclear envelope, because they are only found in Bacteria and Archaea
C
circular chromosomes, because they are only found in Bacteria and Archaea
D
exons in the DNA, because they are uncommon in Eukarya

Apart of an ecosystem that can restrict the growth of a population is referred to as

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.

What is responsible for the uneven heating between the poles and the equator on any given day