Which kinds of antigen do they present efficiently to T cells?
What will be an ideal response?
Dendritic cells present all types of antigen but present viral antigens particularly efficiently. Macrophages present bacterial antigens well because they bear generalized receptors that can bind and internalize many different bacteria. B cells present peptides of soluble protein antigens, such as protein toxins, that they have internalized via their antigen receptors.
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What is the average starting age for smokeless tobacco use?
A. 10 B. 14 C. 16 D. 18 E. 22
Who developed the apparatus or machines used at Harvard in individualized programs for the physical development of students?
A. William Anderson B. Luther Gulick C. Edward Hitchcock D. Dudley Sargent E. Jesse Williams
A motor nerve and all the muscle fibers it controls is called a
A) motor unit. B) neurotransmitter. C) muscle bundle. D) muscle fascia.
It does no good for teachers to try to eliminate sex-role stereotyping in their classrooms.
Answer the following statement true (T) or false (F)