Name the functional unit of the kidney? Briefly describe its parts and how they operate
What will be an ideal response?
The
nephron is the functional unit of the kidney. It carries out its activities through blood
filtration, reabsorption, and tubular secretion.
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The term antibiotic means "against life."
Answer the following statement true (T) or false (F)
The cell is the basic unit of life. All cellular structures exhibit special functions. Match the structure with its function. What is the function of "C"?
A. contains digestive enzymes B. directs cellular activities, contains DNA C. outer boundary of cell, controls entry and exit of substances D. major site of ATP synthesis when oxygen is available E. site of protein synthesis
What activates the intrinsic/contact activation pathway of coagulation?
A) Release of tissue factor (Factor III) by subendothelial cells B) Factor XII contacts exposed collagen fibers. C) Fibrinogen is converted to fibrin. D) Prothrombin is converted to thrombin.
At rest, the tropomyosin molecule is held in place by
A) actin molecules. B) myosin molecules. C) troponin molecules. D) ATP molecules. E) calcium ions.