The cerebral cortex is undifferentiated from the spinal cord until:
A) the first month after conception
B) the beginning of the second trimester
C) the beginning of the first trimester
D) about three months after birth
E) shortly before birth
B
Psychology
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Determining dominance order by ordering animals along the dimension of "most dominant" to "least dominant" represents ______ measurement
a. interval b. nominal c. ratio d. ordinal
Psychology
Match up the receptor type with its action
A) metabotropic; direct opening of an ion channel B) ionotropic; more time required to open an ion channel C) metabotropic; G-protein activation leads to activation of a second messenger D) metabotropic; second messenger effects are specific to opening ion channels E) metabotropic; rapid and short-lived effects on ion channels
Psychology