Which protein makes up the thick filaments of a myofibril?

An epithelium that has several layers, with an apical layer of flattened cells, is called (choose all that apply):

a. Ciliated

b. Columnar

c. Stratified

d. Simple

e. Squamous

Name the two major components of the extracellular matrix and, if applicable, subclasses of each component.

Name the specific connective tissue type found in the following body locations:

e. Forming the intervertebral discs

f. Covering the ends of bones at joint surfaces

g. Main component of subcutaneous tissue

Matrix is extracellular. How does the matrix get to its characteristic position?