When a single cell undergoes a critical genetic mutation in its DNA, causing cancer, it is known as
A. a cellular growth signal.
B. stem cell protection.
C. an initiating event.
D. cellular "suicide."
Answer: C
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A medical term that means enlarged adrenal gland is ________.
Fill in the blank(s) with the appropriate word(s).
What is the appropriate care for a woman who is actively shedding herpes virus during labor in order to reduce the risk of herpes infection in the baby?
A. application of antibiotic ointment to the baby's eyes after delivery B. treatment with acyclovir during labor C. delivery by cesarean section D. treatment of the lesion with an antiviral topical ointment
Approximately ______of coffee users experience withdrawal symptoms when they discontinue use
a. 25% c. 50% b. 33% d. 75%
Enzymes called kinases are responsible for
A. adding hydrogens to substrates. B. removing electrons from substrates. C. adding phosphate groups (i.e., phosphorylation of substrates). D. enzymes that catalyze the transfer of protons from one molecule to another.