The three Domains in which all living things are classified are
A. Animals, Plants, and Microbes.
B. Noneukaryotic, Eukaryotic, and Archaea.
C. Eubacteria, Archaea, and Eukarya.
D. Bacteria, Plants, and Animals.
C. Eubacteria, Archaea, and Eukarya.
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14. One of the most critical pieces of evidence to the discovery of DNA structure was
A. its composition of four different nucleotides. B. its mode of replication. C. an X-ray diffraction pattern suggesting a double helix shape. D. the backbone containing sugar-phosphate linkages. E. the covalent bonding between different nucleotides.
Growth poles
A) work as part of government policies to encourage cumulative causation. B) emerge through the forces of supply and demand. C) succeed based on the concept of comparative advantage. D) rely on the international division of labor. E) are a consequence of core-periphery relations.
Some evidence that algae are the closest relative to plants is that they both:
a. Have chloroplasts b. Contain chlorophyll a c. Have cellulose rich cell walls d. Use starch as a nutrient reserve e. All are correct
Which of the following statements best describes RNAi techniques for gene silencing?
A) siRNAs block DNA replication. B) siRNAs inhibit transcription of a gene. C) siRNAs inhibit mRNA splicing. D) siRNAs trigger degradation of mRNAs to prevent their translation. E) siRNAs prevent transport of mRNA from the nucleus to the cytoplasm.