In the diagram, one of the components of a myofibril is the structure labeled ________?
A) G
B) H
C) B
D) J
E) None of these choices are correct.
Answer: B) H
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What is the common route of entry for flu viruses into a cell?
What will be an ideal response?
Cytotoxic T cells ________.
A) are the only T cells that can directly attack and kill other cells B) require the double recognition signal of I MHC plus II MHC on the target cell in order to function C) function mainly to stimulate the proliferation of other T cell populations D) self-destruct once the antigen has been neutralized
Taste receptors are
A) found only on the tongue. B) unable to divide. C) modified neural cells. D) specialized epithelial cells. E) sensitive to pain.
Plasma cells have a life span of about _________, which is mainly spent in the _________
A. 5 days; blood B. 5 days; lymph nodes C. 130 days; blood D. 130 days; lymph nodes