The failure of sister chromatids to separate during meiosis is called
a. crossing-over.
b. tetrad formation.
c. disjunction.
d. nondisjunction.
Ans: d. nondisjunction.
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Gonyaulax
A. produces a non-protein neurotoxin. B. infects the nervous system of humans. C. is a dinoflagellate. D. produces a non-protein neurotoxin AND is a dinoflagellate.
The increase in the concentration of toxicants up the food chain is called:
a. bioaccumulation. b. biological magnification. c. detoxification. d. organic magnification. e. none of the above.
Eukaryotic chromosomes are a combination of proteins and DNA, which allows the cell to perform which four essential functions?
What will be an ideal response?
Saliva contains salivary ____ an enzyme which begins the chemical breakdown of starch
Fill in the blank(s) with the appropriate word(s).