This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
[{'content': 'The structural proteins are involved in maintaining the shape of a cell or in the formation of matrices in the body. The shape of these protein is: \nSelect and explain. \nA. Globular, B. Fibrous, C. Stretch of beads, D. Planar', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. FibrousBased on the shape of protein are classified into:Fibrous Protein#Elongated or Needle shaped or long cylindrical or rodlike a Minimum Solubility in water#Regular Secondary Structure#Axial Ratio >10#They are Structural Proteins, e.g. Collagen, Elastin, KeratinGlobular Proteins#Spherical or oval or Spheroidal in shape#Easily Soluble#Axial Ratio <3#They perform dynamic functions, e.g. Albumin, Globulin, most enzymes', 'role': 'assistant'}]