What is the role of photopigment in the transduction of light?
a. It reflects light onto the retina.
b. It splits apart when struck by a photon and begins the process of transduction.
c. It stimulates the production of a molecule derived from vitamin A.
d. It recombines to maintain visual acuity.
e. It absorbs wavelengths that are not perceived.
b. It splits apart when struck by a photon and begins the process of transduction.
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Which of the following is an accurate description of the effects of zeitgebers on the body's internal clocks?
A. Both the SCN and peripheral clocks are affected more by light than any other type of zeitgeber. B. The SCN is more affected by light, whereas the peripheral clocks are more affected by feeding patterns. C. The peripheral clocks are more affected by light, whereas the SCN is more affected by physical activity. D. Both the SCN and peripheral clocks are affected more by physical activity and feeding patterns than by light.
When a child realizes that they are a separate person and exist, despite the fact that others
come and go, she has developed which concept? a. Self esteem b. Self permanence c. Subjective self d. Categorical self
Children who grow up under negative conditions but still have positive developmental outcomes are called ________ children
A) resilient B) easy temperament C) optimistic D) outgoing
The function of lordosis in a female mammal is to __________.
A. prepare the female for a rapid escape response from the male B. expose the male rat to vaginal pheromones C. prevent sexual contact with the male rat D. facilitate intromission by the male rat