The botulism toxin ____
a. is an endotoxin
b. is produced by an extremophile
c. may be found as a contaminant in expired food
d. is marketed as Botox
e. causes muscles to contract
ANSWER: d
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The differential success of alleles is called _____
A. selection. B. genetic drift. C. fixation. D. migration. E. evolution.
Do you agree with the practice of using PGD to select for gender or for genetic disabilities present in the parents (for example, deafness and dwarfism)? Why or why not? Should there be legal restrictions on PGD in the US? Why or why not?
What will be an ideal response?
Did increasing K affect the maximum growth rate (dN/dt) a population can exhibit? Hint: you may want to use Plot dN x t to get a more accurate measure of dN/dt and/or look at the data in tabular form
a. yes b. no
Molecules move from an area of low concentration to an area of high concentration during
A. osmosis. B. facilitated diffusion. C. diffusion. D. active transport.