The function of a tight junction within epithelial tissue is to
A. assure that material is captured by phagocytes before entering a cell.
B. assure that material is channeled between cells rather than into them.
C. prevent the dissolution of a cell's plasma membrane.
D. assure that material has to pass through rather than between epithelial cells.
E. channel substances away from an epithelium rather than toward it.
Answer: D
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The cortex of a lymph node contains multiple lymphatic nodules.
Answer the following statement true (T) or false (F)
Insulin is produced by:
a. Alpha cells in the pancreatic isles b. Chief cells in the stomach c. Beta cells in the pancreatic islets d. Alpha cells in the adrenal medulla e. Parafollicular cells in the thyroid gland
Blood consists of cells and a ground substance made of formed elements
Indicate whether the statement is true or false
Prevents filtration of large proteins
What will be an ideal response?