The hardness of bone comes from ________, whereas ________ provide(s) some degree of flexibility
A) collagen and elastic fibers; minerals
B) calcium carbonate; calcium phosphate
C) hydroxyapatite and other minerals; proteins
D) proteins; collagen
E) glycoproteins; proteoglycans
C
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Glaucoma causes
A. an increase in pressure in the posterior chamber. B. stretching of the suspensory ligaments. C. an enlarged cornea. D. a decrease in the size of the vitreous humor. E. shrinkage of the ciliary body.
Name the process of red blood cell production, the hormone that controls it, the source of that hormone, and the stimulus for its production. Why was the hormone so difficult to isolate and identify?
What will be an ideal response?
If you have type A blood, your plasma holds circulating __________ that will attack __________ erythrocytes.
anti-A agglutinogens; Type A anti-A agglutinins; Type A anti-A agglutinins; Type B anti-B agglutinins; Type B anti-O agglutinins: type O
Parallel curving ridges of dermis that shape the overlying epidermis into friction ridges
A. are caused by the pattern of the reticular layer of the dermis. B. decrease friction on surfaces where they are located. C. are associated with thin skin. D. tend to make the surface smooth. E. improve the grip of the hands.