Who was the Swedish naturalist who established the modern system for classifying organisms?
A) Aristotle B) Linnaeus C) Whittaker D) Woese E) Darwin
B
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The polymerization of different types of macromolecules is similar in many respects. Which of the following principles below is least likely to be common to all methods of polymerization of macromolecules?
A) To be added to the polymer, the monomer must be activated. B) Macromolecules are synthesized by the addition of monomers. C) The polymer is directional. D) Polymerization is passive, requiring little ATP. E) As monomers are added to the polymer, water is removed from the macromolecule.
Prokaryotes undergo a process that produces cells that are identical. This process is called
A. mitosis. B. meiosis. C. conjugation. D. binary fission. E. syngamy.
What is one characteristic that archaea and eukaryotes share?
a. horizontal gene transfer b. chemoautotrophs c. organize DNA around histone proteins d. multiple plasmids e. similar cell wall components
The process through which cells can detect and respond to signals in their extracellular environment is
A. transduction. B. sensory response. C. cell communication. D. cell sensation. E. reception.