60) As a ribosome translocates along an mRNA molecule by one codon, which of
the following occurs? A) The tRNA that was in the A site moves into the P site.
As a ribosome translocates along an mRNA molecule by one codon, which of the
following occurs? a. The polypeptide enters the E site b. the tRNA that was in ...
The family of tRNA molecules enables the codons in a mRNA molecule to be ... of
3 unpaired nucleotides — the anticodon — which can bind, following the rules of
base ... The end of translation occurs when the ribosome reaches one or more
STOP ... Binding of these proteins —along with a molecule of GTP — releases
However, most genes in a cell produce mRNA molecules that serve as ... In
principle, an RNA sequence can be translated in any one of three different ...
tRNA Molecules Match Amino Acids to Codons in mRNA ... In fact, both situations
occur. ..... loaded into the small ribosomal subunit along with additional proteins
Feb 26, 2010 ... Which of the following represents the order of DNA packing in ... As a ribosome
translocates along an mRNA molecule by one codon, which of ...
Each amino acid is specified by three bases (a codon) in the mRNA, ... between
three types of RNA molecules (mRNA templates, tRNAs, and rRNAs), as well as
... Each ribosome contains one copy of the rRNAs and one copy of each of the ....
but when they occur at the beginning of a polypeptide chain, these codons direct
Feb 19, 2015 ... Ribosome translocation excursions occur before adopting a frame to ... not one
specific codon but various codons along the slippery ... to translocate one codon
forward (Rodnina and Wintermeyer, ..... Here, an mRNA hairpin molecule—
bound with a single ribo- ...... Quality control by the ribosome following.
In E. coli, this complex involves the small 30S ribosome, the mRNA template,
three ... Methionine is one of the 21 amino acids used in protein synthesis; ...
along the mRNA in the 5' to 3' direction, searching for the AUG start codon. ....
Termination of translation occurs when the ribosome moves over a stop codon (
UAA, UAG, ...
Reactivation occurs by release of bound GDP in exchange for GTP. ... Initiation of
protein synthesis in E. coli requires initiation factors IF-1, IF-2, and IF-3. ... This
positions the small ribosomal subunit in relation to the initiation codon. ..... After
the initiation complex assembles, it translocates along the mRNA in a process ...
Dec 11, 2007 ... The movement of the tRNA molecules is concomitant with the ... It is likely that the
ratchet motion of the ribosome even occurs in the .... Among the architectural
features giving rise to instability are the following. ..... the tRNAs along with the
mRNA on the small subunit by one codon, is more difficult to explain.