The most prominent organelle in most eukaryotic cells is the:
a. endoplasmic reticulum
b. nucleus
c. ribosome
d. nucleolus
e. cell membrane

What are two reasons for why a species might disappear from the fossil record?

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.

18. which statement about cancer is true?