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Immunology › View

Pattern recognition receptors (PRRs) is present in

A. Macrophages

B. B-lymphocytes

C. T helper cell

D. Cytotoxic T cells

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Cell & Bond › View

The correct temporal sequence for events at the neuromuscular junction is

A. action potential in the motor nerve;
depolarization of the muscle end plate;
uptake of Ca2+ into the presynaptic nerve terminal

B. uptake of Ca2+ into the presynaptic terminal;
release of acetylcholine (ACh);
depolarization of the muscle end plate

C. release of ACh;
action potential in the motor nerve;
action potential in the muscle

D. uptake of Ca2+ into the motor end plate;
action potential in the motor end plate;
action potential in the muscle

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