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Ex. 3 – Digestion of starch by amylase<br />
Tubes 1 and 2 served as controls with or without starch.<br />
Explain your result for tube 3 with starch and amylase:<br />
tube # color starch?<br />
1<br />
2<br />
3<br />
When starch is digested, what product is produced?<br />
“Blood sugar” is actually blood glucose. Why does eating starch raise your blood sugar level?<br />
Would a person with diabetes be better off eating a scoop of mashed potatoes or ice cream?<br />
Why?<br />
Ex. 4 – Effect of pH on amylase activity<br />
State your hypothesis for this experiment:<br />
pH<br />
2<br />
4<br />
7<br />
10<br />
12<br />
color<br />
amylase<br />
activity<br />
At what pH value does amylase work best? ________ worst? ________<br />
Did these results support or refute your hypothesis? _____________<br />
A person with a blood pH below 7.35 will be diagnosed with acidosis. What effect might an<br />
abnormal pH such as this have on proteins in the blood?
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