Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Which site of ribosome does the initiator methionine-tRNA locate upon when it reaches the end of the initiation step of translation?
Question 19 options:
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B site |
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E site |
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- Find the events from prokaryotic translation from the list below and list them below in order, by letter, from earliest to latest during translation A. Incoming tRNA occupies the A-site B. Small ribosome binds to Shine Dalgarno sequence C. 5’ methyl cap binds small ribosome D. Large ribosome subunit binds the small ribosome subunit E. P-site tRNA peptide is attached to the amino acid of the A-site tRNA. F. f-Met tRNA binds to P site G. Small ribosomal subunit binds mRNA H. Peptide released from complex.arrow_forwardIn the initiation of translation, the process always lines up at the start codon. What is the start codon? _______ What does the initiator tRNA do? The subunits of the ______________ then bind together around the mRNA and initiator tRNA.arrow_forwardThe following diagram illustrates a step in the process of translation. Identify the following elements on the diagram. a. A, P, and E sitesarrow_forward
- Which eukaryotic initiation factor (elF) brings the initiator tRNA to the ribosome? 0 0 0 elF1 elF3 elF4arrow_forwardWhich of the following is NOT a protein that aids the ribosome during translation?Question 28 options: A) charging factor B) initiation factor C) release factor D) elongation factorarrow_forwardWhich of the following anticodons of a tRNA molecule can base pair with three different codons on an mRNA molecule? What is the correct answer from the choices below? AUU CCG IAU UAG GCGarrow_forward
- The ribosomes on the rough endoplasmic reticulum (RER) are permanently attached there, and specific mRNAs are delivered to them for translation. Select one: O True O Falsearrow_forwardThe antibiotic kasugamycin blocks the binding of methionine to tRNA. From this information, you can conclude that kasugamycin prevents: transcription in prokaryotes mRNA-ribosome binding in eukaryotes the synthesis of ribosomes by rRNA in eukaryotes the initiation of the synthesis of a protein in prokaryotes e. RNA polymerase from binding to a promoterarrow_forwardWhat is the function of Tyrosyl-tRNA synthetase in the cellarrow_forward
- After the polypeptide chain is passed to the next amino acid the uncharged tRNA leaves through this site A site E site P sitearrow_forwardDuring translational elongation, all tRNA’s enter the ribosome at the A site and exit the ribosome from its E site. Select one:TrueFalsearrow_forwardThe purpose of the tRNA in the P site is to: hold the growing polypeptide chain and transfer it to the A site Initiate translation termination stabilize the single strands of DNAarrow_forward
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