The movement of glucose across a plasma membrane is achieved by
A. ion pumps.
B. receptor-mediated exocytosis.
C. osmosis.
D. facilitated diffusion.
E. phagocytosis.
D
You might also like to view...
Which cells secrete thymosin?
A. Suppressor T cells B. Macrophages C. Dendritic cells D. Reticular epithelial cells E. Helper T cells
Which of the following is true of Acids? [H+] = concentration of hydrogen ions
A. Acids decrease [H+] to lower pH B. Acids increase [H+] to raise pH C. Acids decrease [H+] to raise pH D. Acids increase [H+] to lower pH
What is a possible cause of Ondine's curse?
A. Tuberculosis B. Smoking C. Asthma D. Polio E. Emphysema
What is the mediastinum?
A. The space between the pleural cavities that contains the heart, esophagus, trachea, thymus, and major vessels B. The wall separating the thoracic cavity from the abdominopelvic cavity C. The three layers of membrane surrounding the brain and spinal cord D. Another name for the anatomical cavity located in the middle of the body