Pepsinogen is an
A. active enzyme that digests proteins within the small intestine.
B. inactive precursor to a nonspecific enzyme that is synthesized in the pancreas and released in the small intestine.
C. inactive precursor to the enzyme pepsin that digests proteins in the stomach.
D. active enzyme that is released in the small intestine and digests carbohydrates.
Answer: C
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In the parasympathetic division, ________ ganglia are located in the wall of the target organ.
Fill in the blank(s) with the appropriate word(s).
Cytoplasm is located between the cell membrane and the nuclear envelope
Indicate whether the statement is true or false
Enzymes are
lipids. proteins. carbohydrates. nucleic acids. steroids.
Which of the following correctly describes transitional epithelial tissue?
A. A single layer of epithelial cells B. Epithelial tissue designed to stretch C. Epithelial tissue appears to be layered D. Stacked layers of epithelial cells