O-linked glycosylation occurs on ___ residues of proteins. a) Serine and Threonine b) Asparagine c) Methionine d) Acidic amino acid residues

Q: Protein structure and function: a) Name two common post-translational modifications of proteins in…

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Q: 9. Which of the following two enzymes is secreted from E. coli cells into the surrounding…

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Q: Which of these statements about hemoglobin is NOT true? A) it is a tetrameric globular protein   b)…

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Q: 75. Which of the following represents a physiologically reversible covalent modification of an…

A: Covalent modifications are modifications done to the structure of the protein that is catalyzed by…

Q: You want to mutate a Trp residue which is located in the interior of a protein structure. Which of…

A: Amino acids are the monomers that are bonded by peptide bonds to make polypeptide chains.

Q: You have isolated this peptide. AÇQGRKSPWTT TAHEVYPGGCMN What products would you get if you treated…

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Q: 1. When a protein is attached with ubiquitin it is targeted for one of the following? a) For…

A: According to our guideline we can answer only the first question. So, upload the second question…

Q: which of the following process do not contribute to purine nucleotide biosynthesis? a) synthesis…

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Q: In the deoxy state of HB, which of the following does not occur? a) An inter-chain salt bridge…

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Q: What signal does the chaperone-mediated autophagy pathway of protein degradation use to identify…

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Q: 1) Antibiotics that inhibit the formation of the peptidoglycan layer in bacteria work through…

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Q: For each of the following amino acids: 1) describe what the important functional group of the amino…

A: Proteins are made up of amino acids. Each amino acid has a distinct side chain, also referred to as…

Q: Which of the following amino acids has a hydrophobic R-group and would tend to be found on the…

A: Introduction:  Amino acids are molecules that contain an amine group, carboxylic acid group, and a…

Q: β-mercaptoethanol ____, and urea _____ disrupt the interactions involved in formation of α-helices.…

A: DNA stands for deoxyribonucleic acid. It is the genetic material of the organisms that transfer from…

Q: Depolymerization of disaccharides into two monosaccharides involves a/an _____ reaction: a)…

A: Disaccharides are made up of two monosaccharides joined together by a glycosidic bond. The formation…

Q: Which of the following amino acid types is mostly likely to be hydroxylated in a posttranslation…

A: Hydroxylation is defined as a process of oxidation reaction where the carbon-hydrogen bond in the…

Q: Which of these are rare amino acid in a protein?a) Leucine and serineb) Lysine and glutamic acidc)…

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Q: Which amino acid is most likely to have a net positive charge at a pH of 7.4? A) Histidine B)…

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Q: At pH ___, the pentapeptide Ala-Glu-His-Val-Cys would contain two positively charged groups and one…

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Q: The dominant motif found in hemoglobin and myoglobin is: a) twisted beta sheet b)  beta barrel  c)…

A: 1)The dominant motif found in hemoglobin and myoglobin is (b) beta barrel.2)myoglobin consists of (d…

Q: 16

A: What is true of enzymes? Enzymes are proteins that act as biological catalysts and act on substrates…

Q: A polypeptide with a pH of 2.0 has a total net charge of 0. Gly-Pro-Glu-Asp-Leu-His-Ile-Gln-Asn-Phe…

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Q: cleoside triphosphates ...   a)  are synthesized from nucleoside monophosphates using the energy…

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Q: 1. The peptide below was isolated from fermented milk and shown to have antioxidant properties…

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Q: How many groups can be titrated in each pep I. R-I-C-K-E-Y II. S-M-I-L-E-Y

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Q: Protein kinases (PTKS) are enzymes that regulate the biological activity of proteins by…

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Q: 10) Denaturation of a protein

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Q: Of the following amino acids, which 3 are most likely to be found on surface of a single protein.…

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Q: Which of the following anticodons could be charged with Asparagine (Asn)? Question 23 options:…

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Q: Which of the following would result in the greatest decrease in function of the catalytic triad…

A: Introduction Enzyme mutations, which are produced by inherited anomalies in the affected…

Q: This amino acid is either: (note that the non-ionized form is shown) a) Asp or Glu b) Lys or Arg…

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Q: Shown below is an internal fragment of a polypeptide. If this polypeptide were growing, onto which…

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Q: In hemoglobin from patients with sickle cell anemia, the hemoglobin ß-chains have a single amino…

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Q: 1. A) Draw a guanylate nucleotide and label the three main structural features B) Does this contain…

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Q: Consider the synthesis of a polypeptide by a ribosome of a prokaryote cell. As the polymerization of…

A: The structure of a protein is described as a chain of amino acids linked together by peptide bonds.

Q: Deduce the amino acid sequence of a polypeptide from the following: 1. Acid hydrolysis gives Ala2,…

A: Deducing the amino acid sequence of a polypeptide from the analysis of peptide fragments generated…

Q: What amino acids are most likely to be found in the core of a water-soluble globular protein? a)…

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Q: It is a pyrimidine derivative that does not form part of nucleic acids.... A) Thymine B) Cytosine C)…

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Q: An intermediate folding stage seen in protein denaturation or renaturation is called : a) domain  b)…

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Q: n PLP dependent enzymes, what amino acid is initially bound to PLP in the PLP-Schiff base state? a)…

A:

Q: 32.     ________ are members of an integral membrane glycoprotein family that bind to specific…

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Q: Which of the following amino acids is unique in that it can bind both non-specifically to the DNA…

A: All the protein that interact or bind with the DNA is called as the DNA binding proteins. These DNA…

Q: 9) Which statement is inaccurate (wrong) about mRNA? A) it is double stranded and has thymine B) it…

A: The explanation for the wrong statement is given below.