Question

design an experiment to show that saliva contains salivary amylase enzyme ?

Answer 1

In the presence of amylase, a sample of starch will be hydrolyzed to shorter polysaccharides, dextrins, maltose, and glucose. ... You will test for the presence or absence of starch in the solutions using iodine (I2). Iodine forms a blue to black complex with starch, but does not react with glucose.

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Answer 2

Answer:

EXPERIMENT FOR TESTING SALIVARY AMYLASE

• Take two (2) beaker with same size
• In each beaker mix water,iodine solution and starch ( the solution will be in dark purple color this is because of presence of starch that is polysacharides )
• Add saliva in one beaker only and wait for 10 minutes

QUESTION

1. Did solutions changes color?
2. what color does it become ?Why?

ANSWERS

1. Only one solution that saliva added will change color
2. It become pink/light purple color because in saliva there is a "salivary amylase " that cause change of color.

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