Assume the energy of hydrogen bonds per base pair to be 10 kJ mol-1. Given two complementary strands of DNA containing 100 base pairs each, calcu- late the ratio of two separate strands to hydrogen- bonded double helix in solution at 300 K.

Q: giass ture (Tg) is the temperature range where a polymer chain gains of the polymer chains depends…

A: Polymer is any of a class of natural or synthetic substances composed of very large molecules,…

Q: Figure 14-31a (p. 716) shows how hydrogen bonding accounts for the fact that guanine is…

A: Hydrogen bonding between guanine and cytosine is as shown below:

Q: From a study of protein A as a function of temperature, we find that the ratio of unfolded protein…

A:

Q: ΔT = 25 - 23.59 = 1.41 The heat absorbed or lost by the water can be calculated using q = m Cwater…

A: Density = mass/volume 1=mass/1 Mass= 1gm ∆T= 1.41 Q= mc∆T

Q: In the double-helical structure of DNA, the base guanineis always bonded to cytosine, and adenine is…

A: DNA is made up of nucleotides. A nucleotide consists of a deoxyribose, phosphate group and…

Q: 8.30 The diffusion coefficients for a lipid in a plasma membrane and in a lipid bilayer are 1.0x…

A: Solution - Accoeding to the question - Given - t for plasma membrane= 1 x 10-6 sec. t for lipid…

Q: The concentration of a biomolecule inside a rod-shaped prokaryotic cell is 0.0043M. Calcuate the…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: What is a matching sequence of bases for ‘UTAG’ using Watson-Crick base pairing? Why is this…

A: In the Watson-Crick model, Adenine binds with Thymine (A-T) or Uracil (A-U) and Cytosine  bind with…

Q: What are Chargaffs rules and how did they help Watson and Crick figure out the structure of DNA

A:

Q: A solution of (S)-valine (molar mass = 117.15) is observed to have a rotation of +16.2 degrees in a…

A: Molar Specific rotation is the rotation caused by a sample at a concentration of 1 mol/L in a sample…

Q: Erwin Chargaff’s discovery that DNA contains equimolar amounts of guanine and cytosine and also…

A: Part a: Chargaff’s rule implies that the amount of adenine is equal to amount of thymine and the…

Q: av =?,GT" -)p =? apl =?,G

A:

Q: β‑Galactosidase (β‑gal) is a hydrolase enzyme that catalyzes the hydrolysis of β‑galactosides into…

A: The  molecular mass of β‑galactosidase is 116347.57g/mol.

Q: hich of the following statements is FALSE regarding linkage equilibrium & linkage disequilibrium?…

A: According to the question, we need to identify the false statements regarding linkage equilibrium…

Q: The structure is a monomeric unit of what polynucleotide: DNA or RNA?

A: The structure is a monomeric unit of what polynucleotide:

Q: Define the following terms:a. heat of fusionb. solvation spherec. amphipathicd. micellee.…

A: a. Heat of fusion refers to the amount of heat energy required to change the state of solid to…

Q: Calculate the standard free energy change (AG") for the transfer of electrons from succinate to…

A:

Q: The two sides of the DNA double helix are connected by pairs of bases (adenine, thymine, cytosine,…

A: The force exerted by O- on H+ and N- has to be calculated.This is a force of repulsion between O-…

Q: You’ve collected a soil sample from an unexplored island and cultured a new bacterial species by…

A: You’ve collected a soil sample from an unexplored island and cultured a new bacterial species by…

Q: hydrogen bonds H,N adenine 3' OH thymine .N O cytosine guanine NH, OH 3' Sugar-phosphate backbone…

A: The answer is as follows:

Q: Define homologous series?

A: The group of organic compounds that can be expressed by the same general formula having the same…

Q: What is the main limitation of polymeric-organic membranes? * O Chemical resistance Mechanical…

A: Polymeric membranes exhibit clear benefits in terms of processability and relatively low price, they…

Q: Discuss the role of the hydrophobic interactions in stabilizing the following. Q.) Lipid bilayers

A: The plasma membrane, also known as cell membrane, is a selectively permeable membrane which marks…

Q: Outline the size ranges among bacteria and in comparison to otherorganisms.

A: Bacteria are single cell containing and they lack membrane bounded organelles and hence categorized…

Q: How does the flagellum dictate the behavior of a motile bacterium?Differentiate between flagella and…

A: Flagella are a cell surface structure and an appendage used for motility in the bacteria. The…

Q: Consider a double helix of DNA that has a total of 50 base pairs. If 32 of the bases are A…

A: Given: Total base pairs= 50 pairs = 100 bases Number of adenine bases= 32

Q: A mixture of n-heptane, tetrahydrofurane, 2-butanone, and n- propanol elutes in this order when…

A: Soln According to the rule of solubility, like dissolves like. This means that polar solute is…

Q: The three dimensional structure of a peptide chain depends only on the amino acid content of the…

A: 4 statements are given, we have to choose one false statement among them

Q: Fimbriae, and pili are all examples of structures used by microbes for __________. movement…

A: Microscopic organisms are called microbes. They might be unicellular or multicellular. An example is…

Q: perature (Tg) is the temperature range where a polymer chain gains segmental bility of the polymer…

A:

Q: Determine the buffer capacity of Alanine and Histidine at pH 2.0 and 6.0 respectively and discuss…

A: For the alanine, the value for pKa is 2.34. Now the salt to amino acid ratio to achieve the pH of…

Q: Gradient centrifugation is commonly used for which of the following? separating organelles out of a…

A: Given that : We have to identify for which of the following gradient centrifugation is used :

Q: Histones are proteins found in eukaryotic cell nuclei. They wrap DNA around itself, thereby…

A: Histones are the huge proteins which helps in condensing the chromosomes which carry the genetic…

Q: Q6-1 Formation of DNA is pairing up RNA. In solution containing two RNA moving independently. When…

A: Answer for first question: According to the given question two strands of  RNA combines with each…

Q: Does the titrated amino acids appear to be acidic, basic, or neutral amino acids? Please explain…

A: Amino acid is the acid contains acid group and and the amine group . Ehen there is more than one…

Q: what is not a direct method o determine the size of a bacterial population?

A: The measurement of the exact thing that is looking for the measurement is termed as direct…

Q: What is Tg and Tm. Compare them in terms of polymeric chain motion.

A: Answer: The temperature at which the hard glassy state of amorphous material is transformed to a…

Q: The separation of molecules within a gel is determined by the relative size of the pores formed…

A:

Q: Phenylalan ine (Phe. 1) is a naturally occurring amino acid with a benzene ring. What is the energy…

A: The dipole induced interaction energy is given by; E=-Cr6 Here, r is the distance between groups and…

Q: 1. Given a one-dimensional random coil with in total 1000 monomers, the bond length between two…

A: Sub-atomic displaying and reproductions are significant instruments for the polymer science and…

Q: In the solvent hexane, the average end-to-end distance of a 7 kDa molecular weight poly(ethylene…

A: Ans-   ANSWER IS IN EXPLANATION PART     Explanation:

Q: Dr. Alghe has just performed a restriction digest on DNA she extracted from her samples. She must…

A: The mass/volume percentage of agarose gel is 1.2% that means 1.2 g of agarose gel is present in 100…

Q: All amino acids have two ionizable functional groups: an α‑amino group (average pKa of 9.4) and an…

A: The question is based on the concept of amino acids. we have to identify at which pH, this structure…

Q: Nylon-11 is poly(Ω-aminoundecanoic acid). In the polymerization of Ω-aminoundec-anoic acid,…

A: 11-Aminoundecanoic acid is an organic compound with the formula H2N(CH2)10CO2H. This white solid is…

Q: The amino acid glycine (H2N—CH2—COOH) can participatein the following equilibria in…

A: EXPLANATION: A) part Glycine behaves in equilibrium with H2O. H2N—CH2—COOH + H2O  ⇌  H2N—CH2—COO- +…