Multiple choice Which of the following is/are glycoprotein(s)? Flagellin Fibrillin Pilin Select the correct answer using codes given below: 1 only 2 only 3 only 1 and 2 2 and 3 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Fibrillin is a glycoprotein, which is essential for the formation of elastic fibers found in connective tissue.