Question:
Which among the following is a globular protein?
Which among the following is a globular protein?
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Globular proteins are typically spherical and water-soluble. They are involved in a wide range of functions including catalysis, transport, and regulation.
Updated On: Jan 27, 2026
- Insulin
- Myosin
- Collagen
- Fibroin
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The Correct Option is A
Solution and Explanation
Step 1: Understanding globular proteins.
Globular proteins are generally spherical or roughly spherical in shape and are soluble in water. They perform a variety of functions such as enzymes, antibodies, and hormones. Insulin is a globular protein, as it is soluble and plays a regulatory role in glucose metabolism.
Step 2: Analyzing the options.
(A) Insulin: Correct — Insulin is a globular protein composed of two polypeptide chains.
(B) Myosin: Myosin is a fibrous protein involved in muscle contraction, not globular.
(C) Collagen: Collagen is a fibrous protein found in connective tissue, not globular.
(D) Fibroin: Fibroin is a fibrous protein found in silk, not globular.
Step 3: Conclusion.
The globular protein is (A) Insulin.
Globular proteins are generally spherical or roughly spherical in shape and are soluble in water. They perform a variety of functions such as enzymes, antibodies, and hormones. Insulin is a globular protein, as it is soluble and plays a regulatory role in glucose metabolism.
Step 2: Analyzing the options.
(A) Insulin: Correct — Insulin is a globular protein composed of two polypeptide chains.
(B) Myosin: Myosin is a fibrous protein involved in muscle contraction, not globular.
(C) Collagen: Collagen is a fibrous protein found in connective tissue, not globular.
(D) Fibroin: Fibroin is a fibrous protein found in silk, not globular.
Step 3: Conclusion.
The globular protein is (A) Insulin.
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