6 3 Mucopolysaccharides are complex molecules found in the human body. (a) Mucopolysaccharides are large molecules containing unbranched polysaccharides. Describe the structure of an unbranched polysaccharide. 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(b) Mucopolysaccharides can be broken down by enzymes. Describe how an enzyme could break down the polysaccharide component of mucopolysaccharides. 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Turn over 7 (c) Mucopolysaccharidosis type 1 (MPS 1) is a recessive genetic condition. People with MPS 1 cannot break down mucopolysaccharides. The pedigree diagram shows the inheritance of MPS 1 in a family. Key female without condition female with condition male without condition 1 2 3 Determine the probability that person 2 has the same sex and MPS 1 phenotype as person 1. 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(Total for Question 3 = 8 marks)