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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- Hydropathy & Amphipathicity 2 -1 -2- 110 210 310 410 510 Residue Number C. Draw the topology of this membrane protein in the bilayer and indicate the range of residues forming transmembrane a-helices.Question What is the net charge for the following peptide at pH = 1? Ser-Trp-Arg-Gln-Glu-His-Lys-AspQuestion : Properties of a peptide (Indicate the right answer) : H,N-CH-CO-NH-CH-CO-NH-CH-CO-NH-CH-CO-NH-CH-CO-NH-CH-CO-NH-CH-COOH ČH3 CH2 CH, CH, HC-CH3 CH, CH2 CH2 SH CH2 CH, СООН ČH3 CH2 CH2 ОН NH, A- The sequence is Ala-Glu-Phe-Cys-Ile-Trp-Tyr. B- The sequence is Ala-Gln-Tyr-Cys-Ala-Trp-Phe. C- It is represented in its ionic form at physiologic pH. D- It possesses only 2 acid/base functions. E- All possibilities given above are wrong.
- 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?ok-Personal Microsoft Edge com/maildeeplink 021 pdt Download Print Save to OneDrive 1. Draw the structure of the pentapeptide Gln-Trp-His-Glu-Tyr that would predominate in aqueous solution at pH3D10.3. (Relevant pka values are: 2.2 4.3, 6.0, 9.8, and 10.1) Acp is adiusted toQuestion 4. Imagine the main chain of a protein bends back on itself so that two amino acid residues R1 and R2 come close to each other. In the table below are four possibilities for what R1 and R2 might be. In each case, decide whether a specific interaction could form between the residues. If a specific interaction could form, give the name of the interaction. R₁ cysteine tyrosine threonine arginine R₂ cysteine phenylalanine glutamine aspartate specific interaction? OO yes O yes O no no OO O yes no yes no name of specific interaction 0 П 0 0
- pQLSeysIVg8-5-v0riWm3uEQ4RUA3Hdua_NDMQI25SST619X-KVA/viewform What makes alanine a nonpolar, neutral amino acid? O The presence of a chiral carbon O The hydrocarbon group attached O The zwitterion cannot be formed due to nonpolarity O The acid and base groups neutralizes the side chains What is NOT true about hemoglobin? It is a fibrous protein that helps oxygen combine with carbon It has an iron atom inside the structure It contains four polypeptide units O It transports oxygen to the different cells in the bodyQuestion:- Alpha-endorphin is a peptide with an amino acid sequence of YGGFMTSEKSQTPLVT. How many charges does it have at pH 7?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.
- Question 9 Choose the CORRECT statement. O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of glycine O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of valine O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of arginine O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of prolineQuestion What is the net charge for the following peptide at pH = 7 (neutral pH)? Ser-Trp-Arg-Gln-Glu-His-Lys-Asp5 pts Question 9 95 58 40 HS HS SH 65 8 M urea and 72 B-mercaptoethanol 65 Hs84 Hs- SH 72 26 HS 110 SH 84 26 110 95 124 40 58 Native ribonuclease Denatured reduced ribonuclease Figure 2.53 Biochemistry, Seventh Edition O 2012 W. H. Freeman and Company The image above shows how Anfinsen unfolded ribonuclease for his classic experiment to see if proteins contain all necessary information for adopting their folded states on their own. To achieve proper refolding and ribonuclease activity, Anfinsen must have: trick question: ribonuclease cannot adopt its folded state without the help of cellular machinery removed the mercaptoethanol followed by the urea very carefully removed both the urea and mercaptoethanol at the same time removed the urea followed by the mercaptoethanol