What is the term for an observable trait of an organism?
A) allele B) genotype C) hybrid D) phenotype E) element
Answer: D
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Microbial processes take place in
A. shallow subsurface where water flowing from the surface moves below the plant root zone. B. zones where methane is being synthesized as a result of microbial activity. C. regions where organic matter, originating from the Earth's surface in times past, has been transformed by chemical and biological processes to yield coal. D. All of these choices are correct.
What compound served to contain interacting organic molecules within a protocell?
a. RNA b. DNA c. lipids d. single amino acids e. amino acid polymers
In the equation ?G'o = nF ? ?E'o, ________.
A. when the difference in reduction potentials between the electron donor and electron acceptor is small, the yield of free energy is great B. the difference between the reduction potentials of the redox participants is inversely proportional to the change in free energy C. the greater the difference in standard reduction potentials between the electron donor and electron acceptor, the greater the free energy available to do work D. the greater the difference in reduction potentials of the participants of the redox reaction, the smaller the energy yield to the surroundings
The queen in a naked mole rat colony is the only female allowed to breed
Indicate whether the statement is true or false