Multiple choice Which of the following sets represent globular proteins only? Albumin, Myoglobin, Thrombin Collagen, Elastin, Myoglobin Keratin, Elastin, Myoglobin Thrombin, Keratin, Elastin Keratin, Collagen, Elastin Reveal answer Fill a bubble to check yourself A Correct answer Explanation Albumin, Myoglobin and Thrombin: All of them are globular proteins.