Taxol is a chemotherapeutic drug that will attach to the spindle fibers and prevent their function thereby killing the cancer cell. Which process does this drug prevent from occurring?
A) DNA replication
B) Anaphase
C) Telophase
D) Metaphase
Answer: B
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A(n) __________is an environmental agent that causes changes in DNA structure.
Fill in the blank(s) with the appropriate word(s).
There is a direct correlation between the potency of a general anesthetic such as ether and its ability to
A) dissolve in water. B) dissolve in lipids. C) bind to proteins. D) interact with carbohydrates. E) bind to DNA.
Choose all of the items that are incorrectly matched.
A) inactivation gate — closed during repolarization B) activation gate — open at rest C) inactivation gate — closed at rest D) activation gate — opens during depolarization E) All of the answers are incorrectly matched.
During an action potential, when a nerve cell membrane changes from positive inside to negative inside, the cell membrane is undergoing
A) depolarization. B) repolarization. C) tetany. D) treppe.