Which type of junctional complex between cells allows easy transfer of ions, nutrients (amino acids, nucleotides, sugars, etc.) from one cell to the next?

IDENTIFY THE STRUCTURE LABELED B.

IDENTIFY THE LAYER OF SKIN LABELED A. (GIVE COMPLETE TWO-PART NAME)

What is the empirical formula for ethyl fluoride if the compound contains 49.97% carbon, 10.51% hydrogen, and 39.52% fluorine by mass? A) C2H5F B) C4H10F2 C) C4H10F4 D) C25F2  

Which type of fiber of the extracellular matrix is predominant in dense connective tissue in places such as the arteries, bladder, parts of the heart, etc., where there is a lot of stretching?

List two of the three cell shapes in epithelial tissues. (Must use proper terminology.)    and  

What type of exocrine gland is the following:

The first thing that occurs when a fracture occurs is?

Microscopic anatomy of the bone: Match the letter to the appropriate structure.

Which of the following was NOT one of the hypotheses regarding cell shape in prokaryotes that we discussed in class?