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TLS Online TPP Program

#Question id: 3855

In eukaryotes, which of the following modifications is made to a primary transcript prior to its transport out of the nucleus?

#Unit 3. Fundamental Processes

  1. poly(A) tails added to the 3' end 

  2. 7-methyl guanosine caps added to the 5' end

  3. exon sequences, when present, are spliced out 

  4. all of these

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TLS Online TPP Program

#Question id: 4193

#Unit 3. Fundamental Processes

Chain elongation consists of three steps: (1) positioning the correct aminoacyl-tRNA to the A site, (2) forming the peptide bond and (3) __.
TLS Online TPP Program

#Question id: 4194

#Unit 3. Fundamental Processes

After the action of peptidyl transferase, the peptidyl-tRNA is located at the
TLS Online TPP Program

#Question id: 4195

#Unit 3. Fundamental Processes

Unlike bacterial mRNA, eukaryotic mRNA must undergo __ before it may be used for translation.
TLS Online TPP Program

#Question id: 4196

#Unit 3. Fundamental Processes

The role of EF-Tu in bacterial protein synthesis is
TLS Online TPP Program

#Question id: 4197

#Unit 3. Fundamental Processes

The role of GTP in the elongation phase of protein synthesis is to supply energy for
TLS Online TPP Program

#Question id: 4198

#Unit 3. Fundamental Processes

An elongation factor EF-Ts serves mainly to