During protein synthesis, which step does NOT require energy? dissociation of the 70S ribosome after translation termination delivery of aminoacyl-tRNAs to the ribosome translocation of the mRNA and tRNA within the ribosome formation of the peptide bond formation of aminoacyl-tRNAs

The P site of a ribosome does which of the following?     It holds the tRNA carrying the growing polypeptide chain.     It attaches amino acids to the appropriate tRNA.     It holds the tRNA that is carrying the next amino acid to be added to the growing polypeptide chain.     It is where tRNAs exit the ribosome.

MCQ

What is the correct order for the movement of tRNAs through the sites on the surface of a ribosome?Question 32 options: A > E > P E > A > P A > P > E P > A > E E > P > A

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

Explain the roles of oxygen and glucose in aerobic respiration? Plasma membranes are selectively permeable what passively diffuses through? Ribosomes provide the scaffolding on which trnas interact with mrna during translation of an mrna sequence to a chain of amino acids a ribosome has 3 binding sites each of which has a distinct function in the trna mrna interactions drag the appropriate trnas to the binding sites on the ribosome to show the configuration immediately before a new peptide bond forms note that 1 of the binding sites should be left empty?

Describe the structure of a polysome, which is depicted.

In the normal course of events within protein synthesis, which of the following is part of, or can directly attach to, a tRNA molecule? (mark all three correct answers) an adenine tail MRNA polymerase an amino acid an anti-codon a DNA triplet а codon ribosome O a transcription factor

E channel Charged tRNA Anticodon for START Initiating factors Release factors m III III exit site for an uncharged stem of tRNA UAC located on tRNA's anticodon arm proteins that help mRNA bind to a small and large ribosomal subunit to start translation a tRNA that contains its appropriate amino acid attached to the acceptor arm bind to STOP codons and result in a hydrolysis reaction that creates a drop of water that halts translation

Three codons on mRNA are not recognised by tRNA what are they? What is the general term used for them what is their significance in protein synthesis?