When the CAU anticodon of a tRNAMet was modified to UAC, the anticodon for tRNAVal, valine aminoacyl-tRNA synthetase, recognized the altered tRNAMet and added valine rather than methionine to it. When the converse modification was made, the altered tRNAValcontaining a CAU anticodon (rather than UAC) was recognized and activated by methionine aminoacyl-tRNA synthetase. What do these data suggest about the mechanism by which aminoacyl-tRNA synthetases recognize their cognate tRNAs

With the information obtained, it can be deduced that the tRNA anticodon region is recognized by an aminoacyl-tRNA synthetase, however some of these enzymes may have different elements in their structure and which would be the majority and which may trigger a fundamental role in the aminoacyl-tRNA synthetase recognition

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs