Which cells are involved in inflammation?
A) B cells and T cells
B) natural killer cells and eosinophils
C) eosinophils, neutrophils, and macrophages
D) basophils and mast cells
E) helper T cells and memory T cells
Answer: D
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The limbic system allows
A. processing and experiencing of emotion. B. bending over backwards. C. perception of language. D. expression of language. E. retrieving memories from a long time ago.
The wall of the intestines needs to form an impenetrable barrier that prevents the passage of molecules through the extracellular space (the only route of passage must be for molecules to move through the cells). What type of cellular junction would be most appropriate for this task?
A. Gap junctions B. Desmosomes C. Tight junctions D. All of the answer choices are correct E. None of the answer choices are correct
The main constituent of cytoplasm is ____
a. water b. carbohydrate c. protein d. lipid
In skeletal muscle cells, calcium initiates contraction by binding to:
A. tropomyosin. B. actin. C. troponin. D. myosin. E. the thick filament.