Algae are important environmentally as
A. major producers of carbon dioxide.
B. major producers of oxygen.
C. local flora.
D. local contaminants.
B
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The sensor kinase for the OmpF: OmpC two-component regulatory system is
A. the MicF RNA. B. the OmpK protein. C. the EnvZ protein. D. None of the choices are correct.
In a certain population with a mean IQ of 100, the heritability of IQ was measured at 0.6. A chapter of
Mensa in this population has an average IQ of 140. If they are otherwise typical of their population, about how many of their IQ points can be attributed to their genes? A. 60 B. 84 C. 24 D. 100 E. 40
As radiation strikes molecules in cells, it creates ____
a. charged atoms called isotopes b. charged atoms called ions c. excess storage of tRNA d. excess copies of mRNA e. excess DNA polymerase
The genetically identical organisms that result from asexual reproduction are called
A) clones. B) seeds. C) seedlings.