A __________ develops when the lens darkens and accumulates debris.
Fill in the blank(s) with the appropriate word(s).
cataract
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Fertilization typically occurs in the _________, and it restores the _________ number of chromosomes
A. ampulla of the uterine tube; haploid B. ampulla of the uterine tube; diploid C. body of the uterus; polyploid D. isthmus of the uterine tube; haploid E. isthmus of the uterine tube; polyploid
Identify the three ways that carbon dioxide is transported in the bloodstream
A) Bound to hemoglobin, bound to other transport proteins, or bound to the surface of the RBCs. B) Dissolved in plasma, bound to the surface of the RBCs, or as bicarbonate ions in the plasma. C) Dissolved in plasma, as hydrogen ions in the plasma, or bound to hemoglobin. D) Bound to hemoglobin, bound to the surface of the RBCs, or as hydrogen ions in the plasma. E) Dissolved in plasma, bound to hemoglobin, or as bicarbonate ions in the plasma.
A primary spermatocyte matures into ________ spermatids having ________ chromosomes
A) millions of; 46 B) four; 23 C) one; 46 D) millions of; 23 E) four; 46
After a fracture of the diaphysis has healed, the thickened region that results is called the
A) epiphyseal plate. B) external callus. C) dense tuberosity. D) condyle. E) fracture facet.