Pepsin, a common enzyme found in the stomach, is most active at ph values between 0. 5 and 2. 5. It works slowly between ph values of 2. 6 and 3. 4. Beyond a ph of about 3. 5, it becomes completely inactive. Why does this happen?.

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

You are getting ready to transport troops in a m1152 configured with cargo cover and troop seats which of the following should you do before starting out

What are the two main ideas of this passage? museum experts feel that museums must change to attract visitors. museum experts care more about the number of visitors than about history. museums that display artworks and exhibits do not make families welcome. museums like colonial williamsburg make learning about the past fun. museums in the united states are different than in other countries.