Pearson's MyLab & Mastering products exist for each title, including customized versions for individual schools, and registrations are not transferable. In addition, you may need a CourseID, provided by your instructor, to register for and use Pearson's MyLab & Mastering products.   NOTE: Make sure to use the dashes shown on the Access Card Code when entering the code.   Student can use the URL and phone number below to help answer their questions: https://support.pearson.com/getsupport/s/ 800-677-6337   Packages Access codes for Pearson's MyLab & Mastering products may not be included when purchasing or renting from companies other than Pearson; check with the seller before completing your purchase.   Used or rental books If you rent or purchase a used book with an access code, the access code may have been redeemed previously and you may have to purchase a new access code.   Access codes Access codes that are purchased from sellers other than Pearson carry a higher risk of being either the wrong ISBN or a previously redeemed code. Check with the seller prior to purchase. 0134812743 / 9780134812748 Modified MasteringChemistry with Pearson eText -- Standalone Access Card -- for Biochemistry: Concepts and Connections, 2/e Package consists of:    0134762185 / 9780134762180 MasteringChemistry Content -- Access Card Package Sales Accumulator -- for Biochemistry: Concepts and Connections, 2/e 0134763025 / 9780134763026 MasteringChemistry -- Pearson eText 2.0 Upgrade -- for Biochemistry: Concepts and Connections, 2/e 0321962656 / 9780321962652 ChemAxon -- Content -- Sales Accumulator, 1/e

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