Chapter Twenty Two Nucleic Acids. Copyright © Houghton Mifflin Company. All rights reserved.22 | 2 →CO 22.1 Human egg and sperm. Lipids cont’d Dr. Nikos.
Chapter Twenty One Enzymes and Vitamins. Copyright © Houghton Mifflin Company. All rights reserved.21 | 2 Lipids cont’d © Mark E. Gibson / CORBIS ←CO.