A 45-year-old female shop assistant is treated for heartburn with omeprazole. She notes that the effect of a dose of omeprazole lasts much longer than that of a dose of the antacid drug calcium carbonate she had previously taken. The active metabolite of omeprazole binds covalently and irreversibly to a molecular structure involved in releasing protons into the gastric juice. Drugs that modify their target structures through this mechanism are called
a. suicide substrates.
b. orphan drugs.
c. protein drugs.
d. competitive antagonists.
e. enantiomers.
a. suicide substrates.
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Which of the following statements regarding the atria is FALSE?
A) Atria are the upper chambers. B) The two atria are separated by a septum. C) Atria pump blood out of the heart. D) Atria receive blood into the heart.
Visual targets are detected at a lower threshold when they appear in an expected location
Indicate whether this statement is true or false.
____________ are defined as the ideals, customs, and institutions that a society or a group uses as guidelines for living.
Fill in the blank(s) with the appropriate word(s).
List and describe three types of phytochemicals, sources of each, and their benefits
What will be an ideal response?