What evolutionary advantage do prokaryotes have over eukaryotes?
What will be an ideal response?
ANSWER: Prokaryotes are more versatile biochemically than eukaryotes, as evidenced by the fact that
they can use a variety of substances for energy, they can synthesize all of their required
organic molecules from simple inorganic raw materials, and they can live in almost all
regions of the Earth's surface
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How many times better is the resolution of the transmission electron microscope than the resolution of the unaided human eye?
A) 1,000 B) 10,000 C) 100,000 D) 1,000,000
A patient suspected of having tuberculosis has been admitted to the hospital. Which one of the following is not appropriate?
A) droplet precautions B) source isolation C) standard precautions D) use of a type N95 respirator by healthcare professional who are caring for the patient
A certain unicellular eukaryote has a siliceous (glasslike) shell and autotrophic nutrition. To which group does it belong?
A) dinoflagellate B) diatom C) gymnamoeba D) foraminiferan E) cellular slime mold
Which of the following terms refers to the genes of an individual?
A. genotype B. probability C. phenotype D. autosomal E. gamete