Answered: Why are all biologically active…

Why are all biologically active molecules, hence all of life “left handed?” Include enzymes and the “lock and key” mechanism in your answer. Give an example.

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter2: Life's Chemical Basis

Section: Chapter Questions

Problem 3SQ

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4. Why are all biologically active molecules, hence all of life “left handed?” Include enzymes and the “lock and key” mechanism in your answer. Give an example.

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Step 1: Left & Right handedness of biomolecules and Homochirality of terran lifefroms

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Step 2: Significance of homochirality of life with respect to enzymes and the lock & key hypothesis

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