Which of the following viruses can cause cancer?
A. Rous sarcoma virus
B. hepatits B
C. papillomavirus
D. Epstein-Barr virus
E. All of the choices are correct.
E. All of the choices are correct.
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A phagocyte is a cell that
A. engulfs other cells and debris. B. primarily is used to produce antibodies. C. produces white blood cells. D. produces platelets. E. transports oxygen to tissues.
All species of animals provide parental care
Indicate whether the statement is true or false
If a parent cell has 22 chromosomes, the daughter cells following meiosis II will have
a. 22 chromosomes. b. 44 chromosomes. c. 11 chromosomes. d. All of these are correct.
__________________ isolating mechanisms include hybrid mortality and hybrid infertility.
a) Postzygotic b) Sympatric c) Prezygotic d) Barrier e) Environmental