Ever since Allison vomited all over her boyfriend after she ate a chicken salad sandwich that had been sitting in the sun all day, she becomes nauseous at the smell or taste of chicken salad. In this example, the conditioned stimulus is and the conditioned response is nausea.

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.