The advantage of cryo-electron tomography is that it
A. is cheaper than other methods.
B. preserves intercellular junctions.
C. provides a static view of the skin.
D. enables cells to divide continually.
Answer: B
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The walls of kidney tubules are formed by ________ epithelium, which functions in resorbing materials filtered from blood plasma such as nutrients, ions, and water.
A. stratified columnar B. stratified cuboidal C. simple squamous D. simple cuboidal E. stratified squamous
In positive selection of T-lymphocytes, those cells that
A. can bind MHC survive. B. bind to MHC class II are eliminated. C. bind self antigens are eliminated. D. bind to self antigens survive.
In fetal circulation, the high concentration of oxygen can be found in the blood of the ________.
A. aorta B. umbilical arteries C. ductus arteriosus D. umbilical vein
Which statement regarding inflammation is false?
A. Inflammation causes redness. B. Inflammation causes swelling. C. Inflammation causes a cool feeling to the injured area. D. Inflammation causes pain.