The number of chromosomes in a secondary oocyte is
A. less than the number in a polar body.
B. the same as the number in a mature sperm.
C. greater than the number in a polar body.
D. greater than the number in a mature sperm.
E. less than the number in a mature sperm.
Answer: B
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A. 400 mL B. 800 mL C. 600 mL D. 300 mL
The tunica media is found in ________.
A. veins only B. arteries and veins only C. arteries, veins, and capillaries D. arteries only
Trace a drop of bile from the hepatic ducts to the duodenal lumen
A) hepatic ducts, bile duct, duodenal lumen B) hepatic ducts, common hepatic duct, bile duct, duodenal ampulla and papilla, duodenal lumen C) hepatic ducts, duodenal ampulla and papilla, duodenal lumen D) hepatic ducts, liver sinusoids, cystic duct, duodenal ampulla and papilla, duodenal lumen E) hepatic ducts, cystic duct, bile duct, common hepatic duct, duodenal ampulla and papilla, duodenal lumen
A period of sustained muscle contraction is called ________
A) tetanus B) lockjaw C) incomplete tetanus D) muscle tension