The molecule of the extracellular matrix of animal cells that is associated with joint lubrication and friction reduction is
A)glycosaminoglycan.
B)proteoglycan.
C)hyaluronate.
D)pectin.
E)fibronectin.

Question

Quizplus · Accepted Answer

Hyaluronate, also known as hyaluronic acid, is a glycosaminoglycan that is a major component of synovial fluid, which lubricates and reduces friction in joints.

The Molecule of the Extracellular Matrix of Animal Cells That