A student examines silk fibers under a microscope to understand their high tensile strength. To which physical class of proteins does silk belong?
Q1. A student examines silk fibers under a microscope to understand their high tensile strength. To which physical class of proteins does silk belong?
Answer: Fibrous proteins
Explanation: Silk is a fibrous protein used for structural purposes; globular proteins like enzymes or antibodies are spherical and soluble.