Concept explainers
(a)
To draw and name: The amino acids from which alpha keto acids were derived
Introduction:
An autosomal
(b)
To determine: The reason for most likely amino acid precursor of taurine.
Introduction:
An autosomal metabolic problem in the body indicates the maple syrup urine disease. This disease directly affects the branched chain amino acids. This situation results in sweet odor in urine. This is mainly seen in the children. Taurine is the amino acid that is majorly found in the tissues of animals. Taurine is an amino acid that is not normally found in proteins. Taurine is often produced as a byproduct of cell damage.
(c)
To determine: The amino acid that shows significant elevated level in the patient blood in January 1957 and also determine which amino acid is present in the urine of patient.
Introduction:
An autosomal metabolic problem in the body indicates the maple syrup urine disease. This disease directly affects the branched chain amino acids. This situation results in sweet odor in urine. This is mainly seen in the children. Dancis and coauthors concluded that although it appears most likely to the authors that the principal block is in the metabolic degradative pathway of the branched-chain amino acids.
(d)
To determine: The way in which data presented here supports the conclusion.
Introduction:
An autosomal metabolic problem in the body indicates the maple syrup urine disease. This disease directly affects the branched chain amino acids. This situation results in sweet odor in urine. This is mainly seen in the children. The data include the information about amino acids. Taurine is an amino acid which is not normally found in proteins. The amino acids combine with each other and form a protein structure.
(e)
To determine: The data which do not fit this model of maple syrup urine disease. Also determine the way in which these different data are contradictory.
Introduction:
An autosomal metabolic problem in the body indicates the maple syrup urine disease. This disease directly affects the branched chain amino acids. This situation results in sweet odor in urine. This is mainly seen in the children.
(f)
To determine: The data that need to be collected to be more secure in the conclusion.
Introduction:
An autosomal metabolic problem in the body indicates the maple syrup urine disease. This disease directly affects the branched chain amino acids. This situation results in sweet odor in urine. This is mainly seen in the children. The amino acids combine with each other and form a protein structure. Taurine is an amino acid that is not normally found in proteins. The data include the information about the amino acids.

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Chapter 18 Solutions
Lehninger Principles of Biochemistry (Instructor's)
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