MMSC 490 Exam 3 Questions with Correct Answers

MMSC 490 Exam 3 Questions with Correct Answers Aminoacyl tRNA synthetases are enzymes that attach the terminal CCA sequence to transfer RNAs. attach amino acids to specific transfer RNAs. connect amino acids while they are held in place on ribosomes by transfer RNAs. synthesize transfer RNAs. - Answer-attach amino acids to specific transfer RNAs. E. coli contains about .................... different tRNAs that code for .................... different amino acids. 62; 40 40; 20 50; 20 62; 20 - Answer-40; 20 Which of the following is not a common lipid modification to proteins? GPI anchor addition N-myristoylation Prenylation Glycosylation - Answer-Glycosylation The formation of peptide bonds is catalyzed by which portion of the bacterial ribosome? 16S rRNA Proteins of the large subunit Proteins of the small subunit 23S rRNA - Answer-23S rRNA