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Which process of taking fingerprints involves the development of prints by using amino acids resulting from perspiration?O handwriting from a murder suspect O ninhydrinO photographingO fingerprint scanning
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Which process of taking fingerprints involves the development of prints by using amino acids resulting from perspiration?O handwriting from a murder suspect

O ninhydrinO photographingO fingerprint scanning

User Jeffrey Kern
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Answer:

A. Ninhydrin

Step-by-step explanation:

Ninhydrin reagent, which reacts with amino acids in the oil from fingers to produce a blue-purple stain pattern, was an early addition to fingerprint identification. Other chemical methods have followed, including fuming an object with iodine vapor, treating with silver nitrate, or forming metal complexes

User Loilo
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