QUESTION 16 The side chain of is most hydrophobic O valine O alanine lysine glycine serine
Q: Question 18 The peptide whose sequence is SYKEG: A is globally charged 0 at pH 1. B is globally…
A: The peptides are a primary sequence of amino acids that are attached through peptide bonds during…
Q: Question 15 The process of amino acid activation A involves the formation of a peptide bond between…
A: Introduction Amino acids are molecules that combine to form proteins or the building blocks of…
Q: Question 31 Lipids, aside from their structural and energy storage functions, are also able to…
A: Lipids are composed of hydrocarbons and for this reason they are hydrophobic in nature. Different…
Q: QUESTION 5 Which of the following amino acids is most unlikely to be present in a beta sheet?…
A: In the β-pleated sheet, the sheet are formed due to hydrogen bonding between atoms on the peptide…
Q: Question 11 Four these are related. Select the exception. amino group O carboxyl group R group (side…
A: Proteins are the important biomacromolecule of the body. They are also known as building blocks of…
Q: Question 8 Modification of histone proteins include the following EXCEPT A phosphorylation of serine…
A: Histones are highly basic proteins that compress DNA within the nucleus to produce chromatin, which…
Q: Question 38 The activated intermediate in the formation of the peptide bond is: O glucose O glucose…
A: A peptide bond, also known as a eupeptide bond, is a chemical connection made by combining the…
Q: Question 24 The following statements best describe the RNA structure and/or function except A The…
A: RNA or ribonucleic acid composed of ribose sugar. The basic unit of RNA is the nucleotide.
Q: QUESTION 1 Histone proteins have large numbers of charged side chains. residues that interact with…
A: DNA or deoxyribonucleic acid is a polynucleotide chain made of monomeric units of nucleic acids.…
Q: Question 8 The unique stem-loop structures of the transfer RNA helps the RNA perform its function of…
A: tRNA (Transfer ribonucleic acid) is one type of RNA that is used in translation machineri to decode…
Q: Question 37 The mRNA must contain the following to allow for initiation of protein synthesis in E.…
A: Translation is defined as the synthesis of protein from the mRNA. It takes place in the cytoplasm.
Q: QUESTION 8 Amino Acids that carry a positive charge of +1 at pH 7 are (Think about it - don't rush…
A: When many amino acids are joined with each other by a peptide bond they form a…
Q: QUESTION 51 The secondary structure of a protein (mark all that apply) Oa. is due to the joining of…
A: Amino acids can be defined as the organic compounds which contain the amine (–NH2) and carboxyl…
Q: What is the three ketter code for each peptide (a) KFYV (b) ERSC (c) PIMF The 3-letter code…
A: Amino acids are the fundamental units of proteins. The amino acids are linked together by means of…
Q: QUESTION 31 Match the type of bond with the role below: phosphodiester a. joins adjacent nucleotides…
A: Biomolecules are organic molecules made up of mainly carbon and hydrogen but there are other…
Q: Question 13 Proteoglycans are a group of macromolecules formed from:
A: Proteoglycan are the proteins in which proteins are glycosylated. They are the major components of…
Q: QUESTION 37 Which of the following types of mutations is LEAST likely to alter the encoded protein?…
A: Mutation is defined as a sudden change or alteration in sequence of DNA or variation in the…
Q: tRNA exits the ribosome at the _______________ site.
A: Transfer RNA is involved in protein synthesis as it brings specific amino acid to the correct…
Q: Charged tRNA enter the ribosome at the _____________ site. E P A X
A: tRNA is a type of molecule that is involved in the translation process of a messenger RNA (mRNA)…
Q: Question 9 Which of the following is the missing link between DNA and Proteins according to the…
A: Central dogma Central dogma a pictorial representation of genetic material which tells us how a…
Q: Question 16 All of these can be gene products except A tRNA B proteins (c) dsDNA D) FRNA E) MRNA
A: A gene product is the biological substance produced by the expression of a gene, which might be RNA…
Q: Question 48 The energetic driving force for the synthesis of the new strand is the removal of the…
A: Removal of pyrophosphate group yields energy which is then diverted to the formation of new strands…
Q: QUESTION 6 Examples of noncoding RNA are messenger RNA and ribosomal RNA. O True O False
A: Genes are heredity units exhibited on the chromosome that carry hereditary information . DNA is two…
Q: Question 1: Amino acids are covalently attached at site MRNA binds to site 3'A он and E А. В, С В.…
A: Translation is responsible for producing the protein. It takes place in the cytoplasm.
Q: QUESTION 21 Consider the following template strand of DNA: AAT TCA CCC 3' 5 The mRNA made from this…
A: DNA stands for Deoxy-ribonucleic acid. It is a molecule which carries the information of a proteins.…
Q: Question 11 The A and B forms of DNA A are both left handed helix B are both right handed helices…
A: DNA is a dioxyribose nucleic acid. Which has made up of 2 polynucleotides strands coiled around each…
Q: QUESTION 22 Ribosomal RNA: O a. none of the above O b. acts only as a structural scaffold O C.…
A: The cell exhibits genetic material in the form of DNA as well as RNA.
Q: Draw the main chain structure of a parallel beta sheet that has 4 amino acids in one strand and 5 in…
A: The Beta-sheet is a common motif of the regular protein secondary structure. Beta sheets consists of…
Q: QUESTION 4 Depolymerization of disaccharides into two monosaccharides involves alan reaction.…
A: Disaccharides are the Carbohydrates that are made up of two monosacharide units joined together by…
Q: Question 17 The genetic code in unambigous that means many codons can code for the same amino acids.…
A: Answer : The genetic code in unambiguous that means that codons can code for the same amino acids .…
Q: QUESTION 19 Nucleotides, in a polynucleotide sequence, contain phosphate groups bonded to the: O C3…
A: DNA or deoxyribonucleic acid and RNA or ribonucleic acid is a polynucleotide chain made of…
Q: Question 6 The genetic code for one amino acid molecule consists of: O three nucleotides O five…
A: These are the organic compounds that contain amino and carboxylic functional group, along a side…
Q: QUESTION 20 How many amino acid side chains in this peptide are capable of absorbing light at 280nm?…
A: Aromatic amino acids such as tryptophan, tyrosine and phenylalanine absorb UV light. Aromatic…
Q: QUESTION 23 The ribonucleotide polymer (5')GTGATCAAGC(3') could only form a double-stranded…
A: In DNA base pairing rule is that adenine (A) pairs with thymidine (T), and cytosine (C) pairs with…
Q: Question 25 This molecule `NH A can form 3 hydrogen bonds in base pairing B is found in DNA only…
A: The genetic material stores information in the form of sequence of nucleotide.
Q: Question 36 Most eukaryotic RNA consists of coding regions, called and noncoding regions, called A…
A: INTRODUCTION Answer to the question 36 is given below.
Q: QUESTION NO. 1 Targeting a protein to be degraded within proteasomes usually requires ubiquitin. In…
A: The proteins that are not correctly folded or not folded undergo proteolysis using the proteosomes.…
Q: QUESTION 34 Bonus question: Polyglutamic acid is a peptide that has only glutamic acid (Glu)…
A: A protein's secondary and tertiary structures are determined by multiple factors i. The primary…
Q: QUESTION 29 The major characteristic of amino acids in positions a, d, a' or d' in coiled coils is…
A: A coiled-coil can be defined as the structural motif found in proteins in which 2-7 alpha-helices…
Q: Question 12 Repulsion between phosphate groups keeps the strands a uniform distance apart.
A: Deoxyribonucleic acid (DNA) is a polymer made up of two polynucleotide chains that coil around each…
Q: Question #14. Amino acid mutations can in some cases dramatically alter protein structure and…
A: the structure of the protein is determined by the charge of the amino acid.
Q: Question 16 The fact that some eukaryotic FRNAS are self-splicing indicates that (A RNA can contain…
A: Introduction: Introduction: Nucleus is main controller of the cell which possess genetic information…
Q: Question 43 Nucleotide triphosphates and nucleotide diphosphates often form stable complexes with Na…
A: Nucleotide triphosphate is made up of three phosphate groups, 1 deoxyribose sugar and a nitrogenous…
Q: Question 10 Proteoglycans are often made up of glycosaminoglycans (chondroitin sulfate, keratan…
A: GLYCOPROTEIN: Glycoproteins are proteins that have oligosaccharide chains (glycans) covalently…
Q: Question 15 Three of these are related to a nucleotide. Select the exceptions. O R group O pentose O…
A: A nucleic acid is a linear polymer of nucleotides that is a component of the cell's information…
Q: Question 21 There are no aminoacyl-tRNAs that will go to the A site of the ribosome when UGA is the…
A: There are three stop codons which stops the process of the translation and the protein synthesis get…
Q: QUESTION 4 Which of the following amino acids is not positively charged at pH 7? O Lysine O Arginine…
A: An amino group and an acid group are present in organic molecules called amino acids. Amino…
Q: Question 19 Which of the following amino acids is not part of tetramer that is bounded to NAM and…
A: Answer--
Q: QUESTION 4 Which of the following amino acids or types of amino acids is rarely found in beta…
A: Beta sheets are the structures made up to anti parallel beta strands. Huge aromatic aminoacids like…
Q: tRNA exits the ribosome at the _______________ site. a E b P c A d X
A: tRNA is an adapter molecule which carry amino acid at one of its end.
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- Question 1Predicting Secondary Structure Which of the following peptides is more likely to take up an -helical structure, and why? (a) LKAENDEAARAMSEA (b) CRAGGFPWDQPGTSNQUESTION NO. 1Targeting a protein to be degraded within proteasomes usually requires ubiquitin. In the function of ubiquitin all of the following are true except: A. ATP is required for activation of ubiquicin. B. a peptide bond forms between the carboxyl terminal of ubiquitin and an ε-amino group of a lysine . C. linkage of a protein to ubiquitin does not always mark it for degradation. D. the N-terminal amino acid is one determinant of selection for degradation. E. ATP is required by the enzyme that transfers the ubiquitin to the protein to be degraded QUESTION NO. 2Much of procollagen formation occurs in the endoplasmic reticulum and Golgi apparatus which requires signal peptide. All of the following statements about targeting a protein for the ER are true except. A. signal peptide usually has a positively charged N-terminus and a stretch of hydrophobic amino acids. B. signal peptide emerging from a free ribosome binds signal recognition…Question: A decapeptide composed of ser, ala, IIe. his, trp, phe was treated with 1-flouro- 2,4-dinitrobenzene. It gave a DNP-his on the N terminal and free trp when treated with carboxypeptidase. Upon partial hydrolysis of the peptide, the following fragments were obtained. a. his-lle-phe-ala c. his-ala-phe e. ser-lle-his b. ala-phe-trp d. phe-ala-ser Give the amino acid sequence of the above decapeptide.
- Time remaining: 00:08:55 Chemistry Consider a peptide with the following amino acid sequence: H2N-ASENHLDGCPYTKSRG-COOH Analyze the predominate protonation state and thus dominate charge (+1, 0, -1) of the residues in this peptide at pH 3, 6, and 10 by filling in the table below, identifying the relevant pKa appropriate for each residue. (Note that choice of pKa and its. application will be graded independently; e.g., if you can choose the wrong pKa but apply it correctly, you will lose points only for the pKa.) AA Residue pKa Charge pH 3 Charge pH 6 Charge pH 10 A S E N H L D G C P Y T K S R GQuestion for protein crystallography- 1. While performing a routine protein crystallization screening, you observe that one of your well drops has doubled in size compared to the remaining wells. Note: the drop in question was set up by taking 1 µL of the protein solution (10 mg/mL LDH in 20 mM TRIS pH 7.5, 0.5 M NaCl and 10% PEG 4000K) and adding it to 1 µL of the crystallization solution (10% PEG 4000K, 50 mM NaCl and 20 mM TRIS pH 8.0). Why did this drop grow larger in size compared to when you initially set it up?GABA (B) Need help answering these questions about the GABA(B) protein. What class (globular, fibrous, membrane) protein is the protein Identify the organism (or organisms that have this protein) Identify the cellular location of this protein Describe the function Find the primary structure (list it on a slide) Describe secondary structure (alpha-helix, beta sheet, and how many of each and what percent of the total protein) Find a picture of the tertiary structure (which should also show secondary structure) Does the protein have a quaternary structure, if so what is it?
- Question 11. // Hint: Isoelectric focusing separates proteins based on their pI values, and can separate proteins that only differ by a net charge of ±1.±1. Recall that an amino acid residue with a negatively charged R group has a relatively low isoelectric point (pI) where it has zero net charge. Likewise, an amino acid residue with a positively charged R group has a relatively high isoelectric point (pI) where it has zero net charge. Order from Low pH to High pHQUESTION 6 What is the three ketter code for each peptide(a) KFYV(b) ERSC(c) PIMFThe 3-letter code for Peptide (a) is: The 3-letter code for Peptide (b) is: The 3-letter code for Peptide (c) is:microbiology question PLEASE HELP ASAP! 1) -------- is an enzyme that removes the -------- group from proteins that generates carbon dioxide gas and--------- 2) --------is the product generated by lysine decarboxylation, which smells like --------- or-----------
- Modified true or false. Write the correct answer if the underlined word is false. 1. A prosthetic group is a cofactor permanently held on the structure of an enzyme.QUESTION 16 Peptidyl transferase activity (peptide bond enzyme activity) is associated with what site in the ribosome? E P A XBiomaterial question: Give a brief and clear answer, please a. Briefly describe the structural differences between the three major types of biomaterials, including their chemical structure, bonding characteristics, crystal structures, etc. b. Explain briefly the working principle and the information provided by the spectroscopic and chromatographic characterization techniques . Give an example to each of them.
