What component of ground substance adheres cells to each other and to their places within the extracellular matrix (ECM)?
A) glycoproteins B) hyaluronic acid
C) glycosaminoglycans (GAGs) D) proteoglycans
Answer: A
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The clavicle articulates with the scapula at the
A) acromial end. B) superior border. C) sternal end. D) scapular spine. E) medial border.
The reflex that prevents excessive tension in a muscle is the
A. stretch reflex. B. withdrawal reflex. C. Golgi tendon reflex. D. reciprocal reflex. E. crossed extensor reflex.
Epinephrine and norepinephrine exert identical effects in all tissues
Indicate whether the statement is true or false
In vertebrates
a. the ECF and ICF have the same composition. b. the plasma and the interstitial fluid have similar composition. c. the cellular proteins freely permeate into the ECF from ICF. d. the concentration of sodium ions and potassium ions in ECF and ICF is the same. e. all these.