Which of the following does not account for the gelatinous consistency of connective tissue ground substance?
A) Hyaluronic acid
B) Collagen
C) Chondroitin sulfate
D) Proteoglycans
E) Glycosaminoglycans (GAGs)
B
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Which of the following is not found in the large intestines?
A) villi B) intestinal crypts C) intestinal glands D) mucous cells E) simple columnar epithelium
Hexokinase is an enzyme involved in cellular respiration and its substrate is glucose. Considering this information, hexokinase must be located
A. in the lumen of the stomach. B. in the lumen of the small intestine. C. inside the mitochondria of cells. D. in the cytosol of cells.
What are the two general types of force that accomplish transport of substances across a membrane?
a. push and pull forces b. attractive and repulsive c. negative and positive d. passive and active forces e. up and down forces
What force creates the intrapleural pressure between the visceral and parietal pleurae?
A. Surface tension B. Air pressure C. Hydrostatic pressure D. Osmotic pressure