Random mutations only very rarely result in changes that improve a proteins usefulness for the cell, yet
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Random mutations only very rarely result in changes that improve a protein’s usefulness for the cell, yet useful mutations are selected in evolution. Because these changes are so rare, for each useful mutation there are innumerable mutations that lead to either no improvement or inactive proteins. Why, then, do cells not contain millions of proteins that are of no use?
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Cells do not contain millions of proteins that are of no use due to the processes of natural selection and the inherent fitness advantage associated w...View the full answer
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Related Book For
Essential Cell Biology
ISBN: 9780393680362
5th Edition
Authors: Bruce Alberts, Karen Hopkin, Alexander Johnson, David Morgan, Martin Raff, Keith Roberts, Peter Walter
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