Pepsin is an enzyme that works in the stomach. Pepsin breaks down proteins and is most efficient in an acidic environment. How will the addition of an antacid into the stomach affect pepsin's efficiency?
A) Pepsin will work better with the addition of the antacid.
B) Pepsin will not work as well because the stomach contents will become more basic.
C) Pepsin will not work as well because the stomach contents will become more acidic.
D) Pepsin will work just as efficiently because the antacid does not change the stomach contents.
Ans: B) Pepsin will not work as well because the stomach contents will become more basic.
You might also like to view...
In general, a signal transmitted via phosphorylation of a series of proteins _____
A) results in a conformational change to each protein B) requires binding of a hormone to an intracellular receptor C) activates a transcription event D) generates ATP in the process of signal transduction E) occurs within the outer plasma membrane
Which hormone increases blood-glucose levels?
a. cortisol b. glucagon c. insulin d. epinephrine
An interaction between two species in which both species benefit is known as ____.
A. mutualism B. parasitism C. commensalism D. competition E. predation
The chorion is the extraembryonic membrane closest to the embryo proper
____________________ Indicate whether the statement is true or false.