Question

an exocrine gland has two parts: a duct and a basement membrane. a basement membrane and a goblet cell. a brush border and a glandular portion. an acinus and a brush border. a duct and a secretory portion. question 20 a skeletal muscle fiber is an elongated series of muscles held together by dense connective tissue. a collection of several muscles bound together by a membrane. a skeletal muscle cell. found only in cardiac muscle. a contractile filament within the osteon of bone.

Explanation:

An exocrine gland has a duct through which its secretion is released and a secretory portion that produces the secretion. A skeletal - muscle fiber is a single skeletal - muscle cell, which is a long, multinucleated cell.

Answer:

1. a duct and a secretory portion.
2. a skeletal muscle cell.