Which of the following organs have epithelial
lined passageways and ducts that are affected
in cystic fibrosis:
a. lungs
b. liver
c. pancreas
d. intestines
e. all of these organs are affected
E
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Transfection is:
A. the artificial introduction of viral DNA into a bacterial cell. B. the artificial introduction of viral DNA into a eukaryotic cell. C. the first step (attachment) of a viral infection using a recombinant virus. D. facilitated by treatment of cells with calcium chloride and heat shock. E. useful when recombinant DNA is not introduced via infection by a viral vector.
Which of the following components is not part of the plasma portion of blood?
a. sugars, ions, and dissolved gases b. albumin and other proteins c. red blood cells (RBCs) d. water
Osmosis can be characterized as: a. associated with an organism's salinity
b. a very important and challenging part of a marine organism's survival. c. all of these choices. d. the movement of water across a membrane due to solute concentrations.
List the components of a nucleosome
What will be an ideal response?