3. Think of any concept you have learned about from experience, one where you remember a particular event in your life that helped you learn what this concept
meant.
a. What picture comes to your mind when you think of that concept? (3
points)
b. What past experiences have you had that give you this picture? (3 points)
c. How did your perceptual set and two-track mind contribute to these
experiences? (4 points)

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?