A cancer stem cell can divide to give rise to
A) tumor cells, abnormal daughter cells, normal cells, and more cancer stem cells.
B) more cancer stem cells only.
C) healthy stem cells and normally differentiated cells.
D) invasive cells and metastatic malignant cells.
A) tumor cells, abnormal daughter cells, normal cells, and more cancer stem cells.
You might also like to view...
Double fertilization occurs when
A. the sperm and tube nuclei fertilize the egg. B. two sperm cells fertilize the two polar nuclei. C. one sperm fuses with the egg and the other sperm fuses with both polar nuclei. D. the polar nuclei fuse with the egg after it has fused with the sperm.
The stretch reflex is
a. one of the spinal reflexes b. activated by stretch-sensitive receptors inside the muscle spindles. c. a simple, stereotyped, and repeatable motor action. d. elicited by a sensory stimulus. e. all of these.
Changes in temperature affect organisms in temperate climates by altering the following, EXCEPT
A. animal migration times. B. breeding seasons. C. coral reef building. D. leaf budding time. E. flowering times.
Which is incorrect about malaria?
A. Gametocytes enter the mosquito as she draws a blood meal from a human. B. The mosquito inoculates human blood with sporozoites. C. Trophozoites develop in RBCs. D. Merozoites enter and multiply in liver cells. E. None of the choices are correct.