What is the process of eating up a cell by another cell called?
A. Phagocytosis
B. Complement Fixation
C. Apoptosis
D. Mitosis
E. Meiosis
Ans: A. Phagocytosis
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The ras proto-oncogene family is a group of related genes that slow or stop the progression of cancer
a. True b. False Indicate whether the statement is true or false
Ringing or buzzing in the ears is called
a. otitis media. b. tinnitus. c. otitis externa. d. otitis interna. e. strabismus.
Which of the following statements does not belongs in the Introduction of a scientific paper?
A. The migratory movements of the birds depended on many factors B. To collect the samples, the animals were carefully removed from the inside of the plants C. The aerobic exercise is very important and creates deep changes in heart conditions D. Connective tissue is one of the four basic types of tissue E. The behavior doesn't depend on the climate conditions and seems to be more guided by Earth magnetism
All of the following pathogens cause respiratory infections EXCEPT
A) Mycobacterium tuberculosis B) Chicken Pox virus C) Bordetella pertussis D) Papilloma virus E) Measles virus