Question

Proteins may be classified according to their three-dimensional shapes. Determine whether the following examples and descriptions refer to fibrous proteins, globular proteins, or both fibrous and globular proteins. True or false?.

Answer 1

Often function as enzymes or transport proteins → globular proteins

peptide chains arranged in long strands, or fibers → fibrous proteins

peptide chains highly folded into spherical shapes → globular proteins

keratins → fibrous proteins

hemoglobin → globular proteins

water-soluble → globular proteins

collagens → fibrous proteins

insoluble in water → fibrous proteins

What is Fibrous protein ?

Polypeptide chains in fibrous proteins are arranged almost parallel along a single axis, resulting in long fibres or broad sheets. These proteins frequently exhibit mechanical strength and resistance to water solubilization. In nature, fibrous proteins frequently perform a structural role.

What is Globular proteins ?

Soluble in water solutions, globular proteins are often. The wide range of activities carried out by globular proteins, including binding, catalysis, regulation, transport, immunity, and cellular signalling, is reflected in the diversity of protein shapes.

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