Ionic bonds are formed when
A) atoms share electrons.
B) an electron or electrons are completely transferred from one atom to another.
C) a pair of electrons is shared unequally by two atoms.
D) hydrogen forms bonds with negatively charged atoms.
E) two or more atoms lose electrons at the same time.
B
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What is the role of the perichondrium that surrounds the cartilaginous model early in the process of endochondral ossification?
A. It forms trabeculae that accumulate osteoid. B. It produces osteoclasts. C. It produces red bone marrow. D. It forms the epiphysial plate. E. It produces chondrocytes, and the model grows.
What makes a cell responsive to a particular hormone?
A. The site where the hormone is secreted B. The location of the gland that secretes the hormone C. The presence of a receptor for that particular hormone D. The location of the target cells in the body E. The chemical properties of the hormone
_____ believed that sexual intercourse was one of the finest pleasures of life
A. Christianity B. Muslims C. Catholicism D. Protestantism
The hepatopancreatic ampulla is formed by the union of the
A. pancreatic duct with the lacteals. B. greater duodenal papilla with the lesser duodenal papilla. C. common bile duct and pancreatic duct. D. cystic duct and interlobular duct. E. hepatic ducts and cystic ducts.