Which of the following is found in the ground substance of connective tissues?
A. Collagen
B. Keratin
C. Reticular fibers
D. Proteoglycans
E. Elastic fibers
Answer: D
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The compound H2SO4 will dissociate in water to create HSO4- and H+. The product HSO4- is a base.
Answer the following statement true (T) or false (F)
As a cell grows,
A) its requirement for nutrients increases to a lesser degree than its requirement for oxygen. B) its volume increases to a lesser degree than its surface area. C) the relationship between its surface area and volume remains unchanged. D) its surface area increases to a lesser degree than its volume.
Which of the following structures sets the pace of heart contraction?
atrioventricular bundle SA node bundle branches AV node
The hormone that plays a pivotal role in setting the metabolic rate and thus impacting body temperature is
A) somatotropin. B) thyroxine. C) calcitonin. D) parathyroid hormone. E) glucagon.