Which of the following must happen before the cell can go through mitosis? a. the cytoplasm must divide. b. the cell must copy its dna. c. the spindle fibers must break down. d. the sister chromatids must separate.

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

~fourth largest plate ~includes parts of the indian and atlantic oceans ~subducts below the eurasian plate on the west side ~ the arabian and somali plates form boundaries with it what is the name of the tectonic plate described above? a) african plate b) eurasian plate c) north american plate d) indo- australian plate

If the charge that enters each meter of the axon gets distributed uniformly along it. true or false