You have a series of cells, some of which are cancerous. How might you determine which cells are cancerous?
A. Identify the cells that are not dividing uncontrollably.
B. Identify the cells that have increased rates of cell death.
C. Identify the cells with abnormal chromosome number or structure.
D. Identify the cells that utilize Ras protein for growth inhibitory signals.
Answer : C. Identify the cells with abnormal chromosome number or structure.
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Human ventilation is
(a) negative pressure inhalation. (b) positive pressure inhalation. (c) negative pressure exhalation. (d) both b and c.
At low population density, __________ is favored, quickly producing as many offspring as possible. Fill in the blank(s) with the appropriate word(s)
Developers wish to build a road through an isolated area where few people have ever visited before. The proposed route is wet and warm, with many species of wild rodents and other mammals. What issues concerning disease might this route raise?
What will be an ideal response?
The ________ stain uses malachite green.
A. negative B. flagellar C. endospore D. electron microscopy E. acid-fast