Define ossification
What will be an ideal response?
Process in which cartilage converts to bone.
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Which of the following would increase the rate of diffusion across a cell membrane?
A) a decrease in the surface area of the membrane B) a decrease in membrane thickness C) a decrease in the concentration gradient D) a decrease in membrane permeability
Venules and medium-sized veins contain the most blood at about ________ percent of the blood volume at rest. (Note: Be sure your answer is a numeral, e.g. "5" vs "five").
Fill in the blank(s) with the appropriate word(s).
The replication of a DNA molecule during interphase occurs during the
A. first "gap" phase. B. S phase. C. metaphase. D. generation "gap" phase. E. second "gap" phase.
Kartagener's syndrome, characterized by frequent respiratory infections, arises from a defect in which respiratory structure?
a. Cartilage in bronchi b. Cilia in respiratory epithelia c. Goblet cells in bronchioles d. Pulmonary alveolar capillaries e. Surfactant in alveolar cells