Fibrous proteins like collagen and keratin serve structural and protective roles, while albumin and hemoglobin are classified as globular proteins with a compact structure.
Fibrous proteins are characterized by elongated protein structures that often form structural scaffolds in biological systems. Examples include collagen and keratin which serve structural and protective functions in connective tissues, tendons, and skin. On the other hand, proteins like albumin and hemoglobin are classified as globular proteins, which have a compact, globe-like structure.
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