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zepelin
1 day ago
7

Describe the color seen in each tube in terms of the amount of starch present. explain why differences may exist.

Biology
1 answer:
garik1379 [626]1 day ago
8 0
The first and fourth test tubes show a reddish/brown hue, while the second and third test tubes display a dark blue/black color.

This discrepancy is because amylase was added to the first and fourth tubes. Amylase interacts with starch, breaking it down into simpler components. Consequently, when the IKI solution is introduced to test for starch, a negative result appears. Meanwhile, the starch in the second and third tubes remains intact, resulting in a positive IKI test for starch presence.
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Explicación:

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Detalles de la respuesta:

Nivel: Secundaria

Asignatura: Biología

Palabras clave:

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