True/False: Self proteins of infected cells are not recognized by cytotoxic T-cells.
What will be an ideal response?
True
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The respiratory centers that control ventilation of the lungs in mammals are located in the
A. brainstem. B. hypothalamus. C. cerebral cortex. D. bronchi. E. neck.
What phrase best describes the field of epidemiology?
A. It is the study of factors that control the presence or absence of disease. B. It is the study of infectious disease. C. It is a direct and experimental science. D. It begins with laboratory studies on experimental animals. E. It is none of these.
Which is not true about the value of 3-D printing in regenerating organs?
A) It is used to create the scaffolding to hold the tissue. B) It is used to apply the cells to the scaffolding. C) It is used to create complicated organs. D) All of these are true.
Which of the following is NOT an example of genetic recombination between different species in nature?
A) Bacteria that acquire foreign plasmids B) Viruses that transfer DNA between host organisms C) Bacterial transformation D) Sexual reproduction