Practice Questions

TLS Online TPP Program

#Question id: 4139

Which one of the following statements about the elongation phase of protein synthesis is true?

#3. Fundamental Processes

At least five high-energy phosphoryl groups are expended for each peptide bond formed.
During elongation, incoming aminoacylated tRNAs are first bound in the P site.
Elongation factor EF-Tu facilitates translocation.
Peptidyl transferase is a ribozyme.

More Questions

#Question id: 3850

#3. Fundamental Processes

The RNA molecule produced in RNA synthesis is:

#Question id: 3854

#3. Fundamental Processes

In prokaryotes, the presence of a protein called rho will:

#Question id: 3856

#3. Fundamental Processes

In eukaryotes, the conserved element closest to the transcription start site is called the:

#Question id: 3857

#3. Fundamental Processes

The CAAT box is usually located near the position:

#Question id: 3858

#3. Fundamental Processes

The 5' methyl guanosine caps added during RNA chain elongation performs what function?

1. prevents degradation by nucleases

2. are recognized by protein factors

3. are used to identify the type of RNA

#Question id: 3859

#3. Fundamental Processes

Polyadenylation is: