Which of the following statements regarding phagocyte recognition of pathogens is true?
A. TLRs in the phagocyte cytoplasmic membrane bind surface structures of microbes.
B. TLRs on the surface of microbes trigger the accumulation of opsonins.
C. Lectins on the surface of microbes are bound by chemokine receptors.
D. NOD proteins on the surface of microbes are detected by TLRs.
E. MACs on the surface of microbes are detected by NOD proteins.
Answer: A
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Which hormone is responsible for the development of secondary sex characteristics in females?
a. estrogen only b. progesterone only c. estrogen and progesterone d. oxytocin
In mammals, which of the following aids in thermoregulation and communication?
a. Sudoriferous glands b. Sebaceous glands c. Cutaneous respiration d. Adrenal glands
Which of the following is an example of a prokaryotic cell?
a. algae b. bacteria c. human d. plant e. fungus
Figure 36.6
Use the figure above to answer the following question.
?
The anatomical structure identified with the letter "H" in the accompanying figure is the ____.
A. myocardium B. pulmonary veins C. inferior vena cava D. right atrium E. heart apex