An experiment was designed to test the effect of a new vitamin supplement on treating the common cold. Two groups of 100 patients were formed. Both groups had colds caused by the same virus. Group A was given the new supplement and observed for
48 hours. Group B was given the standard vitamin C supplement and observed for 48 hours. At the end of this time period,
researchers measured symptoms using a medical checklist.

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.