Lactose intolerance is caused by a(n) ____
a. nucleotide substitution that prevents lactose production
b. variant manifestation of galactosemia
c. accumulation of galactose-1-phosphate
d. inability to digest lactose
e. excess in lactose production
d
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Which cytoskeletal proteins are important constituents of the contractile structures that form the cleavage furrows involved in animal cell cytokinesis?
A) actin B) dynein C) tubulin D) myosin
Which one of the following is a major difference between plants and animals?
A. Animals use sophisticated genetic programs to govern their development and day-to-day functions. Plants do not. B. Plant cells have evolved modifications of the plasma membrane that permit the transfer of information and molecules from one cell to another. Animal cells have not. C. Plants have a meshwork of extracellular molecules that provide structural support and that determine the shape of the cells. Animals do not. D. Animal cells are able to absorb large molecules across their plasma membrane. Plant cells are not.
What is the key concept addressed by the question?
What will be an ideal response?
In Goodpasture's Syndrome, the destruction of the kidneys results in BUN, or blood urea nitrogen. These levels, along with _____ are increased.
Fill in the blank(s) with the appropriate word(s).