Neurofibromatosis, a benign tumor of the sheath cells that surround nerves, is caused by

a.  Loss of both alleles of NF1

b.  Mutation in RAS GAP-type protein

c.  A single mutant NF1 allele

d.  Mutation in SRC protein

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#Question id: 1039

#Unit 4. Cell Communication and Cell Signaling

One of the first chemicals used by Lister to prevent surgical infections was

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#Question id: 5802

#Unit 8. Inheritance Biology

A wild type allele:

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#Question id: 1254

#Unit 4. Cell Communication and Cell Signaling

An inhibitor of phosphodiesterase activity would have which of the following effects?

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#Question id: 2653

#Unit 2. Cellular Organization

The sequence of the structural genes in the lac operon is

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#Question id: 24164

#General Aptitude

Reality TV shows will have an adverse effect on traditional dramas and comedies. As reality TV increases in popularity, network executives will begin canceling more traditional programs and replacing them with the latest in reality TV.

This paragraph best supports the statement that