What is the hybridization of the carbon with an arrow in the ff. structure?

Q: Which of the following amino acids can form 2 H-bonds within an alpha helix?

A: The question is all about the amino acid that are simplest form of protein by which a protein can be…

Q: Which of the following amino acid changes can result from a single base-pair substitution? Explain…

A: Mutations are alterations in the DNA sequence of an organism. Small changes, such as adding or…

Q: For the B anomer, where will the hydroxyl group of the anomeric carbon be placed in the structure…

A: Carbohydrates are molecules that include carbon, hydrogen, and oxygen and have the formula (CH2O)n.…

Q: Two sugars are epimers of each other. Is it possible to convert one to the other without breaking…

A: Epimers are carbohydrates that are the same molecular formula but differ in the configuration of a…

Q: Why is the last asymmetric carbon used to establish D/L configuration? Is this an arbitrary choice…

A: In carbohydrates, those molecules show mirror image is known as enantiomers.  It shows absolute…

Q: What is the net average charge on the predominant form of lysine at pH values of (a) 2.0, (b) 5.0…

A: Amino acids are organic compounds having carboxyl group and amino group. At extreme low pH, amino…

Q: Which bases are capable of forming hydrogen bonds with each other?

A: Deoxyribonucleic acid (DNA) is composed of nucleotides, which comprises nitrogen bases, a sugar…

Q: How important is optical isomerism to biochemistry

A: Optical isomers are molecules that have the same structural formula and are a non-superimposable…

Q: Explain the deadenylation-independent decay ?

A: Answer: Introduction: A deadenylation-independent mRNA decay pathway has been explained in yeast.…

Q: What is the approximate net charge of carnosine at pH 7.

A: Carnosine is a dipeptide, and is also known as beta-alanyl-L-histidine. It is made up of…

Q: What are accession number ?

A: Accession numbers are used in the field of botany to identify plants or groups of plants that are of…

Q: Explain What are the four Deoxynucleotides?

A: Nucleotides are the building blocks of nucleic acid and they are ubiquitous molecules.…

Q: List some of the differences between the α-helix and β-sheet forms of secondary structure.

A: Proteins are formed when amino acids are linked with peptide bonds. Proteins are mainly large in…

Q: Draw a Haworth projection and Fischer projection for a methyl α-D-mannopyranoside (methyl…

A: Carbohydrates are the major class of macromolecules, and monosaccharides (sugars) are the types of…

Q: Nucleic acids are polymers of just four different monomers in a linear arrangement. How many…

A: Nucleic acids are the information carrying molecules of the cell, by directing the process of…

Q: The Watson-Crick double helix is: O a. a. primary structure O b. tertiary structure O c. quaternary…

A: Nucleic acids are considered biomolecules that are very long threads of polymers. It is made up of a…

Q: What function does a guanine nucleotide exchange factor(GEF) serve?

A: Small GTPases or small G-protein is a type of hydrolase enzyme found in the cytosol of the cell.…

Q: Which of the molecules shown in question 5 has an asymmetric carbon? Which carbon is asymmetric?

A: Among the given two sugar molecules, one is a ketose and the other is an aldose. The ketose is…

Q: Draw a Haworth projection and Fischer projection for a methyl a-D-mannopyranoside (methyl…

A: Carbohydrates are the major class of macromolecules, and monosaccharides (sugars) are the types of…

Q: What is the charge on histidine at neutral pH

A: Amino acids are compounds having carbon, hydrogen, oxygen, and nitrogen. They serve as monomers of…

Q: At pH 1, the charge on the C-terminal carboxyl group is

A: Peptide bond: When two amino acids are joined together releasing a water molecule and forming alpha…

Q: What is the approximate net charge of carnosine at pH 5.

A: Carnosine, also known as beta-alanyl-L-histidine, is a dipeptide . It is made up of the amino acids…

Q: What are massive, insoluble, high molecular weight compounds that have brown color? Not…

A: The brown pigment observed in different foods such as cookies, breads etc is the result of a…

Q: Which type of bonds exist between paired nitrogenous bases?

A: Nitrogenous bases are the monomers that join to form the genetic material. The nitrogenous bases in…

Q: What does it mean to speak of bases as being complementary?

A: Nucleobases or commonly called as nitrogenous bases are the nitrogen containing compounds that…

Q: Given the structures of the nitrogenous bases shown in the picture, draw the structure of a part of…

A: The nitrogenous bases shown in the figure are Adenine (A), Guanine (G), cytosine (C), uracil (U) and…

Q: Why is Tm related to base composition?

A: DNA is the double-stranded molecule that is the genetic material in most organisms except few…

Q: Draw the structure of the nucleotide represented by dTMP.

A: Nucleotides are organic molecules which is composed of a sugar moiety, a nitrogenous base, and a…

Q: For each denaturing agent, explain the changes that you observe in terms of change in protein…

A: Protein denaturation is one of the processes that disrupts a protein's stability and structure.…

Q: Why do think nucleotides are also sometimes referred to as “bases” or “nucleotide bases”? What is…

A: "Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: If the pKa of a molecule is 3, what is the %A- at pH 6? %3D

A: Given, pH = 6 pKa = 3 At pH below than pKa, the molecule will remain protonated. When pH is more…

Q: What type of bonding is responsible for the formation of the two types of secondary structures?

A: Introduction: Depending upon the degree of complexity and type of bond involved in the formation of…

Q: • If you were given a nucleotide sequence, how would you findORFs?

A: The nucleic acid sequence is a bases succession that is signified by five different letters and…

Q: How do I identify which nitrogenous base is which in a DNA and RNA polymer? I am looking at a 2D…

A: A nitrogen base is an organic molecule with a nitrogen atom that has chemical properties of being a…

Q: What is the purpose of acrylamide and bis-acrylamide? in SDS-Page Gel

A: Sodium dodecyl sulphate-Polyacrylamide gel electrophoresis (SDS-PAGE) is a common analytical…

Q: Draw the structure of the amino acid(Arginine) at the pH of 8.55

A: Arginine is a basic amino acid having one alpha-carboxylic group, one alpha-amino group, and one…

Q: Parallel beta sheets are less stable than antiparallel beta sheets, becasue they have __________…

A: Beta sheets are the secondary structure of proteins. This helps in identifying the conformation.…

Q: Name the nitrogenous bases that are bonded

A: Given image shows nitrogen bases. Both of them are heterocyclic aromatic rings. One contains two…

Q: Write the Structure Activity Relationship (SAR) of Nifedipine ? Please write at your own words.

A: Nifedipine is a drug used in treatment of hypertension .It comes under the category of calcium…

Q: Can a strong alkali such as NaOH be used to bring about the hydrolysis of RNA? _______  If YES, what…

A: Hydrolysis of RNA refers to the breakdown of the phosphodiester bond between two units of…

Q: At pH 9.5, the charge on the side chain of Cys is

A:

Q: What is deadenylation-independent decay? What is the role of deadenylation-independent decay ?

A: Degradation of messenger RNAs (mRNAs) plays a vital role in the modulation of expression of gene and…

Q: Is serine chiral? Draw serine and identify the chiral atom. Explain why serine is chiral.

A: A Chiral carbon is an asymmetric carbon atom that consists of four different atoms which are…

Q: What might Watson and Crick have concluded, had Chargaff’sdata from a single source indicated the…

A: Introduction Deoxyribonucleic Acid (DNA) Is A Molecule Made Up Of Two Polynucleotide Chains That…

Q: If YES, 3. DNA is another nucleic acid, can this be hydrolyzed by an acid? what are the products…

A:

Q: n two polysaccharides have the same configuration at the anomeric carbon?

A: The two polysaccharides that have the same configuration at the anomeric carbon is amylose and…