A random-sequence polyribonucleotide produced by polynucleotide phosphorylase, with CDP and ADP in a 5:1 molar ratio stimulated the incorporation of proline, histidine, threonine, glutamine, asparagine, and lysine in a cell-free translation system in the following proportions: 100, 23.4, 20, 3.3, 3.3, and 1.0, respectively. What does this experiment reveal about the nucleotide composition of coding triplets for these six amino acids?

Q: Match each statement below about bacterial translation with the corresponding term from the answer…

A: Base pairing of the mRNA Shine-Dalgarno sequence with anti-Shine-Dalgarno sequence of 16S rRNA…

Q: The order in which the tRNA are moved along the ribosome during translation is :   A. AEP     B.…

A: Answer - Correct option is (B) Translation - Translation is a process by which the genetic code…

Q: function of the fMet residue of tRNA during protein synthesis?   a. It activates an amino acid for…

A: fMet stands for N-Formylmethionine residue of tRNA. It is a starting residue required in the…

Q: A polypeptide was subjected to the following treatments with the indicated results. What is its…

A: Peptides are long chain molecules which are formed by making peptide bond between amino acids. The…

Q: 25. Hydrolysis of high energy phosphate bonds of which of the following molecules is used to power…

A: Since you are posted with multiple questions. As per the rule, I am answering first question only.…

Q: What is the purpose of adding 10mM of Tris-HCL (pH 7.5) during the extraction process? a. It…

A: 10mM of Tris-HCL (pH 7.5) during the DNA extraction process.

Q: A researcher wants to try and express a protein, creatively named Protein Cancerdeath, in…

A: Researcher  wants to try and express protein creativly named proteincancer death in E.coli that has…

Q: Draw a structural formula for the DNA dinucleotide TG that is phosphorylated at the 59 end only.

A:

Q: Draw a structural formula for each nucleotide and estimate its net charge at pH 7.4, the pH of blood…

A:

Q: What amino acid substitution would be accompanied by the largest decrease in enteric water penalty?…

A: Amino acid along with ionizing sie chain ,such as asp, glu, His, liz, impart important properties to…

Q: A sample of an unknown peptide was divided into two aliquots. One aliquot was treated with trypsin;…

A: The sequence of the original peptide has to be deduced.

Q: Attenuation

A: We will choose Correct statement

Q: What mRNA base sequence would be obtained from the following portion of an hnRNA molecule (enter the…

A: The protein is synthesized in ribosome

Q: True or false In recognition motifs, the beta sheet is rich in basic amino acids because they…

A: Large aromatic residues tyrosine, phenylalanine, tryptophan and β-branched amino acids threonine,…

Q: In the right box, draw a chemical structure for nucleotide denoted by T (thymine: H2N A Но-Р-о- OH…

A: The given nucleotide is :

Q: is/are commonly used to cleave peptide bonds in polypeptides. O dansyl chloride O sodium dodecyl…

A: For the first problem we have to find the organic compound that can be used to cleave peptide bond…

Q: Deduce the sequence of a heptapeptide that contains the amino acids Ala, Arg, Glu, Gly, Leu, Phe,…

A: Amino acid are the organic compounds which contains both amines  and carboxylic acids within the…

Q: (d) A heptapeptide was found to have an amino acid composition of Asp, Leu, Lys, Met, Phe and Tyr.…

A: The question is based on the concept of biomolecules. we have been given different peptide…

Q: The sequence of bases in a DNA template strand is: 5'TGTCT3' What is the corresponding mRNA…

A: We know that,  changing of DNA to RNA is,   A----->T G------->C T-------->A C--------->G

Q: 3. Identify if the following is a pyrimidine/purine nucleotide or a pyrimidine/purine nucleoside and…

A: Pyrimidine :- pyrimidine ring is a six membered heterocyclic aromatic organic molecules having 1,3…

Q: Deduce the sequence of a heptapeptide that contains the amino acids Ala, Arg, Glu, Gly, Leu, Phe,…

A: The Edman degradation of heptapeptide cleaves amino acid Leu and carboxypeptidase form amino acid…

Q: 32.) ranslate the following mRNA into protein primary structure. Use the genetic code shown in your…

A: Amino acids are organic molecules that have a carboxyl group, an amino group, an alkyl group and a…

Q: NH2 SH NH, H. H. но C. H,N NH2 PEPTIDE RNGCSN *NH, H. PEPTIDE AHIKP

A: Trypsin cuts at Lys(K) and Arg(R) site starting from C end except if Rn = P. At first case trypsin…

Q: Which of the statements below apply to the following reaction: HNCH-C- H₂N- CH- C OH + Н -OH R R'…

A: The reactions where molecules combine to produce a new molecule along with the lose of small…

Q: At 34 °C and with succinate as the substrate, a Pseudomonas strain has a substrate affinity (Ks) of…

A:

Q: 3’TCG-CAG-GGA-GAA-GTC5’ 1)What are the mRNA codons? 2) What are the tRNA anticodons? 3) What is the…

A:

Q: Given the following peptide RISAGDLEVK,  Determine the formal charge of peptide  a. pH=0.5 b.…

A:

Q: Is the histidine side-chain pKa value higher, lower, or unchanged in an environment surrounded by…

A: Introduction: As per Bronsted-Lowry concept, an acid is a substance that can donate H+ ions and base…

Q: If methionine is always the first amino acid incorporated into an oligopeptide, what oligopeptide is…

A: The given mRNA strand is, 5′-G-C-A-U-G-G-A-C-C-C-C-G-U-U-A-U-U-A-A-A-C-A-C-3′

Q: A sample of an unknown peptide was divided into two aliquots. One aliquot was treated with trypsin;…

A: To get the sequence of original peptide, we arrange the given fragments one above another according…

Q: Identify what type of micropipette should be used to accurately transfer the volume in the ITEM 6 in…

A: B. P-10

Q: following peptides is most likely to form an α-helix? QDFNFDNRNVCFKT CNNQEEERTEEQHK RTKVNIQVQLSDES…

A:

Q: NAD+ stands for the coenzyme  a. niacin adenine dinucleotide b. nicotinic acid diphosphate c.…

A: Coenzymes are small molecules. They are organic compounds used as an enzyme catalyst.

Q: The equation gNa = 1/RNa describes: O a. Sodium membrane inertia O b. None of them Ос. С. Sodium…

A: 1 ) sodium membrane conductance is correct answer

Q: The amino acid asparagine is synthesized from aspartic acid by the enzyme asparagine synthetase…

A: Solution A new method was developed to determine the mutagenic efficacy of a suspected mutagen by…

Q: Two complementary strands of DNA appear. One is labeled template strand and the other is labeled…

A: The template strand undergoes transcrption process to form a new mRNA strand.  The non-template…

Q: Which of the following steps in the HIV life cycle is/are inhibited by drugs? Binding Integration…

A:

Q: Provide the abbreviation of the following nucleotide. 0=2-6 -O-P-O-P- 0=2-0 O™ U=O OH H OH NH₂…

A: Nucleotide is the monomer of nucleic acids (such as Deoxyribonucleic acid and Ribonucleic acid).…

Q: II. O: H 1. pkA=6.0 What is the one letter code for the primary sequence of the peptide? SFCMDLR…

A: Peptide is small chain of Amino acid

Q: Write a balanced chemical equation for the pentose phosphate pathway in the first two modes depicted…

A: To find: The balanced equation for the given process

Q: the MRNA produced is complementary to the template strand of the DNA O uracil pairs with thymine.…

A: DNA is a deoxyribonucleic acid which has four nitrogenous base which form two polynucleotide chains…

Q: Retroviruses like HIV, the pathogen responsible for AIDS, incorporate an RNA template that is copied…

A: (a) Thymidine is basically a deoxyribonucleoside and it belongs to the pyrimidine base. The AZT is…

Q: Draw a structural formula for each nucleotide and estimate its net charge at pH 7.4, the pH of blood…

A: The given nucleotide is 2'-Deoxyadenosine 5'-triphosphate (dATP).

Q: Predict the effects of the following compounds on intracellular nucleosidetriphosphate levels. For…

A: To find: (a) Effect of thymidine on dNTP levels(b) Effect of trimethoprim on bacterial rNTP…

Q: What amino acid sequence would you expect from the translation of the following mRNA segment? CGA…

A:

Q: What would the PCRproduct be for the following DNA sequence at the end of one cycle of…

A:

Q: What is the role of the histidine in the serine protease mechanism? It is a nucleophile. It attaches…

A: In the serine protease mechanism, Given options, Histidine is a nucleophile. Histidine attaches to…