Refer to the given figure below. Peptide and protein synthesis in the body occurs at the ribosome. In the molecular level, what happens is the reaction between the carboxyl moiety of one amino acid (BLUE), and the amino moiety of another amino acid (RED). What is the role of the blue amino acid in the reaction? R1 LOH + H2N. R2 |- HOH НОН R1 Brønsted acid Brønsted base Electrophile Nucleophile Radical 2. IZ ZI ZI

Refer to the given figure below. Peptide and protein synthesis in the body occurs at the ribosome. In the molecular level, what happens is the reaction between the carboxyl moiety of one amino acid (BLUE), and the amino moiety of another amino acid (RED). What is the role of the blue amino acid in the reaction? R1 LOH + H2N. R2 |- HOH НОН R1 Brønsted acid Brønsted base Electrophile Nucleophile Radical 2. IZ ZI ZI

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter15: Genes And Proteins

Section: Chapter Questions

Problem 3VCQ: Figure 15.16 Many antibiotics inhibit bacterial protein synthesis. For example, tetracycline blocks...

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Similar questions

Using a diagram, outline the structure of a ribosome, including protein and RNA composition, large and small subunits, three tRNA binding sites and mRNA binding sites.
Four stages in the production of protein molecules in a cell are listed below. 1 - Transfer RNA molecules bring amino acids to the ribosome. 2 - DNA molecules serve as templates for messenger RNA molecules. 3 - Messenger RNA molecules move to ribosomes. 4 - A chain of amino acids forms on the ribosome. Which sequence best represents the correct order of these stages? 2-1-3-4 2-3-1-4 3-2-1-4 4-2-1-3
Describe the journey of a protein from the ribosome, to the ER, Golgi and then out of the cell.
For each amino acid incorporated into a polypeptide the cell has to invest three high-energy phosphates (ATP or GTP). At which step of the overall process is energy investment NOT required? What is the correct answer from below? Ester bond formation between a tRNA and an amino acid Release of an aminoacyl-tRNA into the A-site of a ribosome Translocation of a ribosome along an mRNA molecule Peptide bond formation between amino acids none of the above
Consider the amino acids on the image below. Which of the following amino acids would be most likely to be found in the part of an integral membrane protein that is located within the membrane? (Select all answers that apply.) Asparagine (Asn) Lysine (Lys) Phenylalanine (Phe) Valine (Val) Glutamic acid (Glu) Methionine (Met)
What is the role of ribosomes in protein synthesis? * A. they carry proteins to the site of action B. they provide a source of amino acids C. they provide a site from tRNAs to link to mRNAs D. they translate the basic DNA code using tRNA Consider the following DNA bases sequence 3' TAT CGG 5'. what dipeptide is formed if a DNA point mutation converts CGG to CGT? * A. Val-Ala B. Asp-Glu C. Ala- Ala D. Gly-Ala A tRNA molecule possesses the anticodon 5' CGU 3' , which amino acid will this tRNA molecule carry? * A. Threonine B. Valine C. Alanine D. Arginine What will most likely be the effect of the change in the DNA molecule? * A. the change will cause a harmful mutation B. the DNA molecule will be unable to replicate…
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?
Consider the synthesis of a polypeptide by a prokaryote ribosome. When the polymerization of amino acids to form a polypeptide chain occurs and the molecule is still completely linear, what is the level of structure in the protein? A) primary B) secondary C) tertiary D) quaternary
Number the following steps of protein synthesis in the order in which they occur, starting with 1 and ending with 9.a. _____ The stop codon is reached, and the polypeptide is released.b. _____ The small ribosomal subunit finds the start codon, and the large ribosomal subunit joins.c. _____ The end of the gene is reached, and the pre-mRNA is released and then edited.d. _____ The transcription factor binds the promoter.e. _____ The protein is folded and modified to become functional.f. _____ RNA polymerase builds the mRNA transcript.g. _____ mRNA and initiator tRNA bind the small ribosomal subunit.h. _____ New tRNA molecules are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site.i. _____ mRNA exits the nucleus via a nuclear pore.
Number the following steps of protein synthesis in order in which they occur, starting with 1 and ending with 9. a. ____ the stop codon is reached, and the polypeptide is released b.____ the small ribosomal subunit finds the start codon, and the large ribosomal subunit joins. c.____ the end of the gene is reached, and the pre-mRNA is released and then edited. d. ____ The transcription factor bonds the promoter. e. ____ the protein is folded and modified to become functional. f. ____ RNA polymerase builds the mRNA transcript. g. ____ mRNA and initiator tRNA bind the small ribosomal subunit. h. ____ new tRNAs are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site. i. ____ mRNA exits the nucleus via a nuclear pore.
In eukaryotic cells, ribosmes are found in the cytosol and on the rough endoplasmic reticulum. Where will the proteins synthesized at each location?
Which of the following are encoded in the terminating codon in protein synthesis? a. Selenocycteine and Pyrrolysine b. GABA and Homocysteine c. Hydroxyproline and Selenocycteine d. Ornithine and Citrulline