This is the 20th edition of the world’s number one selling medical review book! Trust two decades of experience for the most effective USMLE Step 1 preparation possible. * 1100+ must-know facts and mnemonics organized by organ system and general principles * Hundreds of high-yield clinical images you need to know before the exam – [...]
This kit enables users to build virtually all simple molecules encountered in organic chemistry. Includes space-filling models that simulate the true shape of saturated compounds. Provides open models that form realistic single, double, and triple bonds — even strained rings. Allows smooth rotation of the bonds to make conformational analysis easy. Contains enough components to [...]
Neil Campbell and Jane Reece’s BIOLOGY remains unsurpassed as the most successful majors biology textbook in the world. This text has invited more than 4 million students into the study of this dynamic and essential discipline.The authors have restructured each chapter around a conceptual framework of five or six big ideas.