How would removing hydroxyapatite from bone matrix affect the physical properties of a bone?
A) The bone would be less flexible.
B) The bone would be stronger.
C) The bone would be more brittle.
D) The bone would be more flexible.
E) The bone would be more compressible.
D
You might also like to view...
The hormone aldosterone promotes the
A. reabsorption of potassium ions. B. reabsorption of sodium ions. C. secretion of calcium ions. D. secretion of sodium ions.
A 38-year-old male is upset about his low sperm count and visits a "practitioner" who commonly advertises his miracle cures of sterility. The practitioner is a quack who treats conditions of low sperm count with megadoses of testosterone. Although his patients experience a huge surge in libido, their sperm count is even lower after hormone treatment. Explain why.
What will be an ideal response?
Synaptic vesicles containing neurotransmitters are released by ________ when the action potential arrives
A) endocytosis B) apoptosis C) exocytosis D) hydrolysis E) sodium
Which of the following statements accurately describes the thymus gland?
A. The thymus gland lacks a capsule. B. The thymus gland contains many reticular fibers. C. The thymus gland decreases in size after age 60. D. Lymphocytes are found only in the medulla of the thymus gland. E. The thymus increases in size with aging.