The protein known as p53, the product of a tumor suppressor gene, inhibits the unregulated cell division characteristic of cancers by Ensuring that damaged DNA will not be replicated by promoting apoptosis Repairing damaged DNA while the cell cycle is arrested Stalling the cell cycle at the checkpoint between G1 and S phases Promoting amoeboid movement toward cancer cells
What will be an ideal response?
Ensuring that damaged DNA will not be replicated by promoting apoptosis
Repairing damaged DNA while the cell cycle is arrested
Stalling the cell cycle at the checkpoint between G1 and S phases
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In an ECG pattern, the P wave is caused by
A. depolarization of atrial muscle fibers. B. depolarization of ventricular muscle fibers. C. repolarization of ventricular muscle fibers. D. repolarization of atrial muscle fibers.
Why is body temperature sometimes reduced during heart surgery?
A. to slow respiration B. to increase heart rate C. to decrease heart rate D. to increase the oxygen content of blood
The gladiolus is an alternative term for the
A. manubrium. B. body of the manubrium. C. xiphoid process. D. ensiform process.
Excessive hairiness is called ________.
A. telogenism B. alopecia C. anagenism D. catagenism E. hirsutism