Which of the following does not account for the gelatinous consistency of connective tissue ground substance?
A. Collagen
B. Hyaluronic acid
C. Glycosaminoglycans (GAGs)
D. Proteoglycans
E. Chondroitin sulfate
Answer: A
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Which of these is an example of carrier-mediated transport that does not require energy input?
A) an ion exchange pump B) facilitated diffusion C) endocytosis D) exocytosis E) pinocytosis
Nervous tissue consists of two general types of cells: nerve cells and glial cells. Glial cells are mitotic, whereas neural cells are not (excluding the small population of stem cells). Which type of cell is most likely to be involved in brain cancer, and why?
What will be an ideal response?
A group of muscles that would be stretched when the hyoid is depressed are the ________ muscles.
Fill in the blank(s) with the appropriate word(s).
Transpulmonary pressure is defined as the difference between __________ and __________.
A. intra-pleural; atmospheric B. intra-alveolar pressure in the left lung; intra-alveolar pressure in the right lung C. intra-alveolar; intra-pleural D. intra-alveolar; atmospheric