List and briefly discuss advantages or enhancements to metabolism brought about through aerobic exercise.
What will be an ideal response?
Exercise lowers the risk of cardiovascular disease, by lowering blood pressure, decreasing plasma triglycerides, and
raising plasma HDLs. Exercise can partly reverse type 2 diabetes mellitus, by up-regulating glucose transporters
and insulin receptors in skeletal muscle. Moderate, but not strenuous, exercise enhances the immune system.
Exercise is inversely correlated with psychological depression.
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New membrane is being added continually by the ________, resulting in membrane turnover at the surface of the cell.
Fill in the blank(s) with the appropriate word(s).
Which of the classes of hormones triggers the synthesis of new intracellular proteins within the target cell?
a. peptides. b. catecholamines. c. steroids. d. thyroid hormone. e. both steroids and thyroid hormone are correct.
Which type of protein is used by cells of the immune system to distinguish normal cells from foreign or infected cells?
A. Anchoring proteins B. Identity markers C. Transport proteins D. Cell adhesion proteins E. Ligands
The process by which particles move from high concentration to low concentration is called ________.
What will be an ideal response?