Which method of endocytosis allows small specific substances to enter through the phospholipid bilayer?

What is the elemental name of the following molecule?

What organ system moves the body parts and produces heat?

What organ system secretes hormones that regulate body functions

What is the atomic number of the following molecule?

What would we expect the pH of an acid to range from

Intercellular products that are bound for exocytosis are packaged by which of the following? 

A compound has a molar mass of [mm] grams/mole.  How many moles will there be in [g] grams of the compound? Do not include units!

In the space provided, name the 4 phases of mitosis (in their sequential order), and what the chromatin/chromosomes are doing in each? (8pts)

What is it called when a elements share electrons evenly with hydrogen, but one of the molecules pulls the electrons more to its direction opposed to the other molecules, thus creating an electrical polarity.