Covalent bonds:
a. dissociate in water
b. are formed when electrons are shared between atoms
c. are formed by atoms of opposite charge
d. both A and C above
b. are formed when electrons are shared between atoms
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How do lymphatic vessels differ from those of either the arterial or the venous system?
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Descending analgesic pathways are believed to suppress transmission in the pain pathways as they enter the spinal cord by blocking the release of substance P
Indicate whether the statement is true or false