If the sample size in an experiment is too small, ____________________ error might distort the results. Fill in the blank(s) with the appropriate word(s)
ANSWER: sampling
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Where is the centromere found?
a. position where metaphase chromosomes align b. location where the mitotic spindle forms
c. central region of a chromosome where the spindle microtubules attach d. location where chromosomes cluster during telophase e. center of the cell where the nucleus is found during prophase
When Pangea first broke up it formed
a. North and South America. b. Africa and South America. c. Antarctic and Godwanaland. d. East and West Hemisphere. e. Laurasia and Godwanaland.
The period following an action potential during which a neuron cannot be stimulated to generate another action potential is referred to as
A. the resting period. B. the refractory period. C. the critical period. D. the threshold period. E. the inactivation period.
Which one of the following is the correct classification of vertebrae, from the skull to the pelvis?
A) sacral, coccygeal, lumbar, thoracic, cervical B) cervical, thoracic, lumbar, coccygeal, sacral C) cervical, thoracic, lumbar, sacral, coccygeal D) coccygeal, thoracic, lumbar, sacral, cervical E) coccygeal, thoracic, lumbar, cervical, sacral