The hardness of bone comes from ________, whereas ________ provide(s) some degree of flexibility.
A. calcium carbonate; calcium phosphate
B. proteins; collagen
C. hydroxyapatite and other minerals; proteins
D. glycoproteins; proteoglycans
E. collagen and elastic fibers; minerals
Answer: C
You might also like to view...
H+ generated at the tissue level from CO2 is buffered in transit between the tissues and the lungs primarily by
a. hemoglobin b. phosphate buffer system c. H2CO3: HCO3- buffer system d. plasma proteins e. respiratory regulation
What is the difference between autocrines and paracrines?
What will be an ideal response?
Surgical removal of the mammary gland or breast is termed:
A) gynectomy B) mastectomy C) fetotomy D) amnion
Sympathetic fibers arise only from the ________ region(s) of the spinal cord.
A. cervical, thoracic, and lumbar B. cervical C. thoracic D. thoracic and lumbar E. lumbar