A loss of 90% of the population in the Pingelap atoll from a typhoon in 1775 resulted in a high percentage of the
current population being affected by achromatopsia. As a result, all of these affected individuals _____.
a. have normal vision
b. are descendants of one of the 20 original survivors
c. receive genetic testing and genetic counseling
d. have exceptional hearing
e. are descendants of the 20 original survivors
b
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Describe the apoptotic pathway in mammalian cells.
A. Apaf1 inhibits Bcl2, Caspase-8 or 9 is activated, caspases degrade cell components B. Bcl2 activates Apaf1, Caspase-8 or 9 is inhibited, caspases degrade cell components C. Apaf1 activates Bcl2, Caspase-8 or 9 is activated, caspases degrade cell components
In order to take up a naked DNA molecule, a cell must be ________, which may occur only at certain stages in the life cycle of the organism.
Fill in the blank(s) with the appropriate word(s).
When native chromatin is digested with micrococcal nuclease, what significant result occurs?
What will be an ideal response?
The chemical mediators of anaphylaxis are
A) found in basophils and mast cells. B) antibodies. C) antigens. D) antigen-antibody complexes. E) the proteins of the complement system.