biology enzymes lab questions

1.  What is the function of amylase? What does amylase do to starch?

2.  Which of the foods tested between an onion, ginger root, apple and lime, contained amylase? Which did not? What experimental evidence supports your claim?

3.  Saliva does not contain amylase until babies are two months old. How could this affect an infant’s digestive requirements?

4.  There is another digestive enzyme (other than salivary amylase) that is secreted by the salivary glands. Research to determine what this enzyme is called. What substrate does it act on? Where in the body does it become activated, and why?

5.  Digestive enzymes in the gut include proteases, which digest proteins. Why don’t these enzymes digest the stomach and small intestine, which are partially composed of protein?

 

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