The rat ?-tropomyosin (?-Tm) gene produces nine different mature mRNA proteins from a single gene using which three "alternative" mechanisms?
What will be an ideal response?
splicing, promoters, and polyadenylation
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An immune complex resulting from an interaction of antibody with cells or particles which becomes large enough to settle out of solution is called a(n)
A. ouchterlony double diffusion. B. hemagglutination. C. precipitation reaction. D. agglutination reaction.
Which of the following is NOT a steroid
hormone?
a. testosterone b. epinephrine c. cortisol d. aldosterone e. all of these are steroid hormones
What process proposed by Wallace and Darwin describes the higher rates of survival and reproduction of certain forms of a species over alternative forms?
What will be an ideal response?
How do protists provide evidence for the step-wise evolution of mitosis?
A. Mitosis has not been observed in any protist species. B. Only meiosis occurs in protists. C. Protists use conjugation instead of mitosis. D. In some protists the nuclear membrane fails to breakdown during mitosis.