1. A fat molecule is composed of two types of smaller molecules, including only one molecule of . 2. A fat molecule also includes one, two, or three molecules. 3. A fat molecule with only one fatty acid is called a . 4. A fat molecule with three fatty acids is called a triacylglycerol, or a . 5. A fatty acid includes a carboxyl group (-COOH) at one end as well as a long . 6. The hydrocarbon chains found in fats store a lot of energy. They also make fats , or insoluble in water. Fill in above blanks. a. hydrophilic b. fatty acid c. triglyceride d. monoglyceride e. glycerol f. hydrocarbon chain g. hydrophobic

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.