Electrons farthest from the nucleus have the ____________
A. least potential energy
B. most kinetic energy
C. least kinetic energy
D. most potential energy
E. same amount of energy as electrons
closest to the nucleus
Answer: B. most kinetic energy
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The Pax6 gene is considered a master gene because
A. it was the first gene developed that resulted in a protein for sight. B. it controls the development of all the homologues that have to do with light refraction in the eye. C. the primitive eye developed into the complex eye. D. the gene encodes for development of ommitidia which combine to make the simple eye. E. the protein encoded by the Pax6 gene is a transcription factor that controls the expression of many other genes needed for eye development.
The routing of proteins to their final destinations in eukaryotic cells is ____
a. essentially random b. based on transcription factors c. controlled by the type of ribosome used d. directed by signals that are part of the proteins e. primarily determined by mRNA splicing
A graduate student is studying the feeding behavior of a small octopus that must be laboriously collected from the shores of a remote island. Her intern wishes to do experiments to look at the octopus’s mating behavior. Why might the graduate student veto this idea?
A. The octopus has semelparous reproduction, and will eat its mate. B. The octopus has iteroparous reproduction, and will eat its mate. C. The octopus has semelparous reproduction, and will die after laying one batch of eggs. D. The octopus has iteroparous reproduction, and will die after laying one batch of eggs.
Which of the following is an incorrect pairing?
A) electrolytes; anions B) synthesis; endothermic C) hydrolysis; hydrogen bonds D) catabolism; exothermic E) dehydration; anabolism