Red blood cells have been very useful in the study of membranes and the protein components that provide structural support.Which of the following proteins is the principal fibrous protein in the cortex of the red blood cell?

Question

Quizplus · Accepted Answer

Spectrin is the principal fibrous protein in the cortex of the red blood cell, providing structural support to maintain the biconcave shape of the cell. Tubulin is a protein component of microtubules, which are not present in red blood cells. Attachment proteins are a broad category of proteins that facilitate cell-cell and cell-matrix interactions, but they are not the principal fibrous protein in the cortex of the red blood cell. Actin is a protein component of the cytoskeleton, but it is not the principal fibrous protein in the cortex of the red blood cell.

Red Blood Cells Have Been Very Useful in the Study