The terms proto-oncogene and oncogene may give the misleading impression that these are "genes for cancer" that are waiting to be turned on
What are these genes, in terms of normal function, and what name might have been given to them to reflect this function rather than their role in cancer?
Proto-oncogene products play a role in cell growth or the cell cycle. Examples discussed in this chapter include growth factors, protein kinases, and membrane-associated G proteins. Had they not been discovered in defective form as oncogenes, they would be named more precisely for their function.
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As a transcription factor, Pax6:
A. targets the approximately 2000 genes needed for eye development. B. binds to the 3' regulatory elements of its target genes. C. activates its target genes. D. represses its target genes. E. activates some target genes and represses others.
Photosynthesis spread through most of the eukaryotic superkingdoms by repeated episodes of endosymbiosis of photosynthetic eukaryotic organisms
A. true B. false
Why can't mirror or direct repeats form hairpins?
What will be an ideal response?
Which of the following components of a virus is not encoded by its own genome?
A. capsid B. lipid bilayer of viral envelope C. spike glycoproteins of viral envelope D. bacteriophage anchoring structures E. tail fibers