A radical mastectomy involves the removal of
a. any breast tumor.
b. a benign breast tumor.
c. a malignant breast tumor.
d. a breast, all lymph nodes under the arm, and
skeletal muscles in the chest wall under the
breast.
e. both breasts.
Answer: d
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The following questions are based on the drawings of root or stem cross sections shown in the figure
Refer to the figure above. A woody eudicot is represented by _____. A) II only B) III only C) IV only D) I and III
Social interaction between animals where one individual imposes a penalty on another, and in so doing suffers a loss, is termed ________
A) mutual benefit B) selfishness C) altruism D) spite
After the bacteriophage uses its tail fibers to attach to the bacterial host, what will happen next in the lytic cycle?
A. Integration of viral nucleic acid into the bacterial genome B. Assembly of the new viruses C. Lysis of the bacterial cell wall D. Degradation of host DNA E. Injection of viral DNA
Imagine that a binding site is gained in the wing enhancer region, lost in the abdomen enhancer region, and transcription factors are expressed in the appropriate tissues. The resulting fly would:
a. look like a wild type fly. b. have wing pigmentation but no abdominal pigmentation. c. have abdominal pigmentation but no wing pigmentation, d. have a homeotic transformation.