The major proteoglycan in cartilage is ________.

Question

Quizplus · Accepted Answer

Aggrecan is the major proteoglycan found in cartilage. It is a large molecule composed of a core protein and many long chains of chondroitin sulfate and keratan sulfate. Its function is to help resist compressive forces in cartilage. Hyaluronic acid is also present in cartilage, but it is not a proteoglycan. Cellobiose is not found in cartilage, and link protein is a component of proteoglycan aggregates but not the major proteoglycan in cartilage.

The Major Proteoglycan in Cartilage Is ________