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Many animals carry the parasite Giardia lamblia. When water is contaminated with feces from these animals, the water will carry
the parasite. If a person drinks the water, he or she will become infected with Giardia lamblia which will then travel to the person's
intestine and cause the disease giardiasis. What are the most likely symptoms of the disease giardiasis?

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.