Macrophages are motile cells that crawl within tissues of the cells. Hepatocytes are stationary cells that are anchored in place within the tissue. Compared to hepatocytes, macrophages would likely have more of which cytoskeletal filament?
A. Microtubules
B. Actin filaments
C. Cilia
D. Myosin filaments
E. Intermediate filaments
Answer: B
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In the filtration experiment, which substances passed through the filter paper because of their small molecular size?
A. Water, glucose, and starch B. Water, starch, and charcoal C. Water and glucose D. Water, glucose, starch, and charcoal E. Starch and charcoal
When ligands bind to them, ________ receptors directly phosphorylate enzymes within the cell.
A. enzymatic B. G protein-coupled C. channel-linked D. phosphatase
The ________ is equal to the hydrostatic pressure of the blood in the capillaries minus the hydrostatic pressure of tissue interstitial fluid outside the capillaries.
A. blood pressure B. net filtration pressure C. osmotic pressure D. None of the choices are correct.
Cytokinesis overlaps with which phase of mitosis?
A) Metaphase B) The S phase C) Prophase D) Interphase E) Telophase