EF-G is a macromolecular mimic of EF-tu. It's role in translation is toTo cause the large subunit of the ribosome to disassociate with the small subunit of the ribosomeBind to the vacant A-site subsequent to peptide bond formation and resolve the hybrid state of theribosomeTo recruit the signal recognition particle (SRP) to the ribosome and to facilitate synthesis of membraneproteinsO To cause the large subunit to associate with the small subunit of the ribosomeShuttle an amino-acylated tRNA to the A site to initiate the peptidyl transfer reaction

Translation is the synthesis of the protein from m RNA. There are various initiation and elongation…

Answered: EF-G is a macromolecular mimic of…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Ribosomal proteins have high pI values. Why is this advantageous for ribosome stability?
True or false: A fully assembled 70S ribosome is recruited to the mRNA just 5 ́ of the translation start site?
I need an example to study for an test
The pioneer round of translation of an mRNA is very important to identify potentially dangerous mRNAs if per chance they possess aberrant in frame translational stop codons. Their detection leads to rapid degradation through the NMD pathway. What indications would the cell use to signal that an mRNA possesses an in frame stop following the pioneering read? Choose one. a) The mRNA has a shorter Poly A tail since it is not being efficiently translated b) If the cap binding protein is no longer associated with the cap it signals to the cell that the mRNA is no longer translatable. c) A stalled ribosomal complex on the mRNA is clearly detectable and since the translational machinery cannot initiate protein synthesis it is recognized as toxic and is degraded by the 26S proteasome. d) If the mRNA contains intron sequences then it is quickly recognized by the ribosomes as being abnornal and is degraded rapidly by the 26S proteasome. e) mRNA species that are still bound by key factors that…
The synthesis of a protein requires that the amino acids that constitute the growing polypeptide chain be covalently linked to the amino acid attached to the tRNA at the aminoacyl site of the ribosome. Which of the following catalyses this reaction? Options: the aminoacyl tRNA synthetase eEF2 eEF1-GTP a large ribosomal RNA the initiator tRNA met
The ribonucleotides C and G we're mixed together with C two times more abundant than G. The resulting RNAS we're translated in a cell free system. Give the amino acids and the relative percentages of each that would be found after the translation. Show all reasoning/calculations. Suppose that di-ribonucleotides (GC) were used to make RNA and then translated in vitro. What would the results be- explain all reasoning and explain how this information could be combined with the information in part A above to try to deduce the genetic code, assuming you didn't already know it.
During the biosynthesis of ribosomes, rRNA synthesized in the (fill in) Nuclear membrane nucleolus Cytoplasm Nuclear pore complex And Ribosomal proteins are assembled together into the rirbosomal subunits which are then shipped to the cytoplasm where mature ribosomes are finally assembled. Free ribosomes are localized in the cytoplasm and synthesize cytoplasmic proteins such as [ans2]. While no protein synthesis takes place in the sER, it is an important site for the synthesis of (fill in) DNA tyrosine kinase receptors alcohol integrins tubulin proton pumps RNA phospholipids The sER plays also an important role in detoxification of different types of drugs, which is why ( fill in) Liver Bone Brain skin cells display a large sER. In addition, the sER functions as a reservoir for the storage of (fill in) Iron Iodine Calcium Sodium Ions in many type of cells
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During translation, this mutation results in a change from the amino acid aspartic acid to the amino acid alanine. Which of the following determines how the resulting protein will be affected by this mutation? O Any change in amino acid will determine that the polypeptide chain will not be able to fold into its proper structure. The change in amino acid will determine that a nonsense mutation has occurred and not all amino acids will be added to the polypeptide chain. O The properties of the amino acids will determine whether the interactions within the protein will affect the folding of the polypeptide chain. The substitution of the DNA nucleotide will determine whether there is a change in the folding of the polypeptide chain forming the protein.
The eukaryotic cell is different from the prokaryotic cell. Outline the structural difference between these two types of cell and suggest two reasons why eukaryotic mRNA needs to be modified before translation.
Assuming that each nucleotide is 0.34 nm long in mRNA, howmany triplet codes can simultaneously occupy space in a ribosomethat is 20 nm in diameter?
LARP1 has a highly-conserved region near the C terminus termed the DM15. Co-crystallization experiments performed by Dr. Berman demonstrate that DM15 directly binds TOP motifs found in RNA. You would expect the DM15 region to be Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Negatively charged b Positively charged

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