The principal ECF cation is ____________________, which is accompanied primarily by the anion ____________________ and to a lesser extent ____________________
Fill in the blank(s) with correct word
sodium, chloride, bicarbonate
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Water contains two hydrogen atoms bound to one oxygen atom; "H2O" is therefore water's
A. molecular formula.?B. ionic compound.?C. isotope ratio.?D. stochastic isomer.
Hyperpolarization of a neuron results from
A. either the entry of an anion or the exit of a cation. B. the entry of any ion. C. either the entry of a cation or the exit of an anion. D. the entrance of either sodium or potassium.
The enzyme cyclooxygenase (COX) initiates a pathway leading to formation of prostaglandins and thromboxanes
a. True b. False Indicate whether the statement is true or false
Which statement about fixed action patterns is NOT true?
a. They occur in both vertebrates and invertebrates. b. They are not considered to be reflexes. c. They use command fibers located in the central nervous system. d. They are generated in response to a specific stimulus. e. A species of animals will carry out the behavior in the same manner.