The polymerase chain reaction is used to duplicate small sections of
A. DNA.
B. RNA.
C. proteins.
D. lipids.
A
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A theoretical concept that is used to understand how and why certain organisms can be sorted into discrete taxonomic groups is known as the ________.
A. endosymbiotic theory B. genotypic concept C. phylogenetic concept D. species concept
Eukaryotes have at least three main mechanismsfor regulating translation. Which of the following is not one of those mechanisms?
A. Initiation factorsare subject to phosphorylation by protein kinases. B. Some proteins bind directly to mRNA and act as translationalrepressors. C. Intron-containing transcripts are targeted for export out of the nucleus by splicing factors. D. Binding proteins can disruptthe interaction between eIF4E and eIF4G.
The following marine biologist was aboard the HMS Beagle in 1831:
a. Edward Forbes. b. Charles Wyville Thomson. c. Alexander Agassiz. d. Charles Darwin. e. Jean-Baptiste Lamarck.
Interferons and immunoenhancers
A) are widely used to treat viruses B) cause no side effects C) include levamisole and inosiplex D) have been thoroughly researched