Sexual differentiation begins with ____.
A. Wolffian ducts
B. chromosomes
C. Müllerian ducts
D. hormones
Answer: B
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Amir is aware that, at least in the laboratory, certain nutrients can help buffer research animals from the physiological damages associated with stress. He sets out to determine whether dietary supplements can do the same for people in a laboratory situation simulating real-life stresses. Amir's research is best described as ____
a. applied research b. implementation research c. basic research d. policy research
Regarding the sensitivity of the various measures of memory, the correct order from most sensitive memory measure to the least sensitive is
a. relearning, recognition, and recall. b. relearning, recall, and recognition. c. recognition, recall, and relearning. d. recall, relearning, and recognition.
Human development is studied from a scientific perspective, meaning that its methods of study are:
a. objective b. important c. based on cases of individuals d. based on random samples of individuals
__________ contain receptors that code for stretch.
A. Extrafusal fibers and Golgi tendon organs B. Intrafusal fibers and extrafusal fibers C. Intrafusal fibers and Golgi tendons D. Extrafusal fibers and motor neurons