HSA Biology Public Release 2005 - mdk12
HSA Biology Public Release 2005 - mdk12
HSA Biology Public Release 2005 - mdk12
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Session<br />
2<br />
■33<br />
Cells in the stomach produce pepsin, an enzyme, to help digest food. Pepsin works<br />
best at a pH of 2. Which of these graphs most likely shows what will happen to the<br />
activity of pepsin as the pH of the stomach is increased?<br />
A<br />
EFFECT OF pH<br />
ON PEPSIN ACTIVITY<br />
C<br />
EFFECT OF pH<br />
ON PEPSIN ACTIVITY<br />
Pepsin Activity<br />
0 1 2 3 4<br />
pH<br />
B<br />
EFFECT OF pH<br />
ON PEPSIN ACTIVITY<br />
Pepsin Activity<br />
Pepsin Activity<br />
0 1 2 3 4<br />
pH<br />
D<br />
EFFECT OF pH<br />
ON PEPSIN ACTIVITY<br />
Pepsin Activity<br />
0 1 2 3 4<br />
0 1 2 3 4<br />
pH<br />
pH<br />
<strong>Biology</strong> <strong>Public</strong> <strong>Release</strong> <strong>2005</strong> Page 23<br />
Copyright © <strong>2005</strong> by Maryland State Department of Education.