Which of the following statements about proteoglycans is TRUE?
A. Proteoglycans are composed of collagen.
B. Proteoglycans are composed of polysaccharides called glycosaminoglycans.
C. Proteoglycans provide resistance to compression.
D. Proteoglycans are both composed of collagen and provide resistance to compression.
E. Proteoglycans are both composed of polysaccharides called glycosaminoglycans and provide resistance to compression.
C. Proteoglycans provide resistance to compression.
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How does the complement system aid in the defensive responses of an organism?
A. Lysis of antibody-coated Gram-negative bacteria B. Activation of phagocytic cells C. Attraction of phagocytic cells D. All of the choices are correct.
You observe a tissue with one free surface and several cell layers attached to a basal lamina. This is an example of
____.
a. connective tissue only b. epithelial tissue only c. muscle tissue only d. nervous tissue only e. connective and muscle tissue
During glycolysis, phosphate groups are transferred to glucose from ATP. This process is called ____
a. ionization b. polymerization c. phosphorylation d. dephosphorylation e. anabolism
By definition, what type of fatty acid has double bonds?
A) steroid B) triglyceride C) unsaturated D) saturated