Proteins can be c A. Insulin
In globular proteins, polypeptide chains are coiled with each other to give spherical shape and they are soluble in water. Insulin and Albumin have a spherical shape. So options (i) and (iii) are correct.
But Myosin has long and narrow shape and they are water-insoluble, which is the characteristic of a fibrous protein. Therefore, option (iv) is wrong.
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