The function of microvilli, often seen on the apical membrane of transporting epithelia, is to
A) increase the toughness of the cell.
B) increase the movement of extracellular fluid.
C) increase the cell's surface area.
D) increase the resistance of the cell to viruses.
E) allow the cell to move through a fluid medium.
C) increase the cell's surface area.
You might also like to view...
Unlike cytotoxic T cells, natural killer cells do not require antigen to be complexed with class I MHC proteins in order to bind to the antigen.
Answer the following statement true (T) or false (F)
Basically, what occurs in the countercurrent multiplier process?
A) Sodium is pumped into the blood while potassium is actively transported out of the blood back into the tissues. B) A higher sodium concentration is produced in the renal medulla that osmotically draws out water, reducing it within the tubules and the urine. C) Glucose and sodium are cotransported from urine back into blood. D) Creatinine is actively transported out of the blood into urine. E) Uric acid is excreted into the kidney tubules while urea is reabsorbed in the nephron loop.
Which of the following correctly describes impact?
A. large force applied over a long period of time B. large force applied over a short period of time C. small force applied over a long period of time D. small force applied over a short period of time
Which of the following glands involutes (shrinks in size) after childhood?
A. Thyroid gland B. Parotid gland C. Thymus gland D. Sublingual gland E. Submandibular gland