Directional selection favors individuals at one extreme of a phenotypic distribution that have greater reproductive success in a particular environment.

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#Id: 8043

#Unit 1. Molecules and their Interaction Relevant to Biology

RS Configuration 

Atoms of higher atomic number rank above those of lower atomic number (e.g., —OH ranks above —CH3). If the first substituent atoms are identical, the priority is established by the next atom outward from the chiral center (e.g., —CH2OH takes precedence over —CH3).

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#Id: 8044

#Unit 1. Molecules and their Interaction Relevant to Biology

The order of priority of some common functional groups in amino acids is

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#Id: 8045

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 8046

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 8048

#Unit 1. Molecules and their Interaction Relevant to Biology

Cys L form exist as R configuration

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#Id: 8049

#Unit 1. Molecules and their Interaction Relevant to Biology

Isoleucine and Threonine have two chiral carbons so exists in multiple RS configuration.