The term "second genetic code" refers to which of the following?
A) The ability of the codon and anticodon to recognize each other.
B) The ability of aminoacyl-tRNA synthetases to correctly pair an amino acid with its correct tRNA.
C) The ability of DNA to transfer genetic information to RNA.
D) None of these is correct.
B
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How would you recognize and distinguish between landscapes affected by wind erosion and deposition?
What will be an ideal response?
A welded igneous texture indicates that
A. the rock cooled quickly. B. the rock cooled slowly. C. the ash and pumice were hot and became compacted. D. the rock broke apart as it flowed. E. there was a lot of gas in the magma.
At a convergent plate boundary a dipping plane of earthquake foci, called a(n) ____________________, defines subduction zones
Fill in the blank(s) with correct word
The Younger Dryas cold snap was caused from:
A) an increased melting of freshwater. B) an increased freezing of freshwater. C) an increase in carbon dioxide in the atmosphere. D) a decrease in carbon dioxide in the atmosphere.