Who observed that species of organisms on different islands were clearly similar, yet had distinct differences?
What will be an ideal response?
Darwin
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Explain the difference between an intrinsic terminator and a Rho-dependent termination site
What will be an ideal response?
A defining characteristic of eukaryotic organisms is that they
A. have their transcription occurring in the cytoplasm and translation in the nucleus. B. have their transcription occurring in the nucleus and translation in the cytoplasm. C. have only operons to assist in gene expression. D. carry out protein synthesis only in the presence of the cAMP molecule. E. use the leucine zipper primarily for the production of the amino acid tryptophan.
Recombination frequency is used to measure the distance between genes located on nonhomologous chromosomes
A. true B. false
Which of the following evolution-related events is in the correct cause-and-effect sequence?
a. mutation ? variation ? natural selection ? adaptation ? speciation b. variation ? adaptation ? mutation ? natural selection ? speciation c. speciation ? adaptation ? variation ? mutation ? natural selection d. mutation ? speciation ? adaptation ? variation ? natural selection e. natural selection ? variation ? mutation ? adaptation ? speciation