Colchicine, a chemical extracted from the autumn crocus (Colchicum autumnale), inhibits the formation of
microtubules. Mitotic cells exposed to colchicine will therefore be arrested at ____.
a. anaphase
b. interphase
c. prophase
d. telophase
e. metaphase
ANSWER: e
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Answer the following statement true (T) or false (F)
Transcription factors control which of the following phases of pattern formation in the human embryo?
A. formation of body axes and segmentation B. segmentation and development of segment characteristics C. segmentation, development of segment characteristics, and cell differentiation D. formation of body axes, segmentation, development of segment characteristics, and cell differentiation E. cell differentiation
In a severe allergic reaction, a person's tongue can swell up, effectively blocking the air passageways. An emergency procedure can be performed to restore airflow
Basically, a hole is cut into the passageways below the blockage to allow air to flow into the lungs. What passageway would be best for the surgical hole?
Which of the following is mismatched?
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