Whereas L-Cysteine Is a Building Block of Peptides and Proteins

question 28

Essay

Whereas L-cysteine is a building block of peptides and proteins, D-cysteine is a common building block of bacterial membranes. Draw both, L-cysteine and D-cysteine. Which stereocenter has S and which has R configuration?

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Definitions:

Ecological Perspective

A viewpoint in social science that emphasizes the interconnectedness of organisms and their environments, highlighting the complex interplay between nature, individuals, and social systems.

Family Dynamics

The pattern of interactions, relationships, and behaviors among members of a family, influenced by factors like roles, communication styles, and emotional bonds.

Nontraditional Families

Family structures that deviate from the traditional model of a nuclear family, including single-parent families, blended families, and same-sex parent families.

Macrosystem

A term used in Bronfenbrenner's ecological systems theory to describe the cultural or societal context that influences an individual's development, encompassing societal norms, laws, and culture.