Which numbered carbon tells us whether this is D- or L-?

Q: Predict and draw the product. H. H- -OH Но- -H NABH, -OH -OH -OH I O I I

A: Sodium borohydride (NaBH4) is a reagent that transforms aldehydes and ketones to the corresponding…

Q: Thiophene ring contains ------- as heteroatom.

A: Thiophene is a compound with ring structure, in which there will be atoms of two or more different…

Q: In the structure what is the difference of vancomycin and teicoplanin?

A: Teicoplanin and vancomycin are natural compounds that belong to the glycopeptide antibiotic family…

Q: What are monocistrone and polycistrone?

A: Monocistronic and polycistronic are the types of messenger RNAs(mRNA). mRNA is a single stranded RNA…

Q: Convert each Haworth projection to its acyclic form. CH2OH Но OH H CH,OH OH a. b. но Он OH OH OH -오…

A: Introduction: Aldohexoses are monosaccharides made of six carbon atoms with an aldehyde group.

Q: What is the difference between -OH and OH-?

A: Introduction: The term hydroxide ion refers to OH group-containing negative charge present in…

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: What is the advantage of having different pigmentmolecules?

A: Photosynthesis is a process through which chlorophyll-containing organisms can absorb solar energy…

Q: How does the cyclization of sugars introduce a new chiral center?

A: Chiral carbon was an asymmetric carbon atom that is attached to four different types of atoms. these…

Q: Determine which anomer is represented in the structure shown here. I OH CH₂OH Н OH H OH H OH I

A: Anomers are the special type of epimers that differs from each other in a configuration only at the…

Q: What are phenolics?

A: NOTE As per our guidelines , in case of multiple questions we are allowed to solve only  the first…

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: is lycopene considered a compound? why do you say so?

A: Lycopene is a bright-red water-insoluble pigment synthesized by photosynthetic organisms. This…

Q: What effect does diatomaceous earth have on Oxalates in the body? Does it help getting rid of…

A: Introduction Diatomaceous earth is a unique type of powder that consists of fossilized algae and…

Q: What is anomeric carbon

A: Anomeric carbon is that carbon in carbohydrates like monosaccharides, which is bonded double (two…

Q: part 1What is the % w/v of a 250ml solution containing 120mg of sucrose? part 2What is the % v/v of…

A: 1. weight of solute (sucrose)= 120 g volume of solution = 250 ml % w/v = [ weight of solute(g) /…

Q: Are nonhistones basic or acidic?

A: The proteins present in the chromatin after the histones are removed are called non-histone…

Q: H CH2OH ОН A CH₂OH B C Но E CH₂OH

A: Anomeric carbon is the carbon which bears a hemiacetal or acetal or hemiketal or ketal. In the…

Q: Which of the compounds below are aromatic?

A: Aromaticity of a compound is dependent on the following properties: the compound should be cyclic…

Q: what are the main types if nucleic acids

A: Nucleic acid was first discovered by Friedrich Miescher from the nuclei of the pus cells…

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: Could Hershey and Chase have used a radioactive isotope of carbon instead of 32P? Why or why not?

A: No. They could not have used radioactive isotope of 32P because both DNA and proteins contain carbon…

Q: structures of organic compounds allow them to function as pigme

A:

Q: Which of thefollowing compounds represent the LIST OXIDIZED and REDUCED class of organic compounds…

A: Organic compounds are composed primarily of carbon, hydrogen, oxygen, and nitrogen atoms. They are…

Q: What is the structural relationship between the accessory pigment and the reaction center?

A: Reaction center is the site consisting of enzyme system at which the light reactions of…

Q: What does it mean to describe a glycosidic bond as b -1,4 -? To to describe it as a-1, 6-?

A: The carbohydrate joined to the other carbohydrate by a glycosidic bond, two monosaccharides joined…

Q: write the introduction for the effect of denaturing agent on the structure of phycocyanin on two…

A: Phycocyanin is a water-soluble pigment protein. It comes from microalgae. It is non-toxic.  It has…

Q: Is the Oxygen atom chemically active or inert?

A: Oxygen is the most abundant element in the Earth’s crust and it is represented by the letter O. It…

Q: What is the name of the nitrogenous base to the right?

A: The nitrogenous base are also known as Nucleobases. Four different types of nitrogenous bases are…

Q: Turpentine oil is obtained from_______?

A: Turpentine is a volatile oil.  It is used for polishing the furniture.

Q: Arrange the following FAs in decreasing melting point. * A. A 22-carbon series saturated FA B. An…

A: Melting point of Fatty acids depend upon several factors like Molecular weight Degree of Saturation…

Q: A chromophore is the component of a molecule that gives itits color. What properties of chromophores…

A: A chromophore is the part of a molecule responsible for its color and the color that is seen by the…

Q: Which of the following compounds would form Azo-dye from primary aromatic amines? Indicate YES or NO…

A: Azo dyes are generally synthetic compounds that has an azo bond and Primary aromatic amines are…

Q: (d) Identify a wax from the list of compounds shown. ____________ (e) Identify a diglyceride from…

A: The three principal categories of lipids are phospholipids , sterols, and triglycerides.

Q: Which structure below shows the placement of the hydroxyl groups of the other carbons that form part…

A: To form pyranose ring carbon no. 5 should have H and OH group together so can that form pyranose…

Q: What do you mean by woronin bodies?

A: Ascomycota is a phylum of kingdom fungi. The members of phylum ascomycota are known as sac fungi…

Q: What property of carbon makes it essential for organic life?

A: The fundamental biomolecules of life, such as carbohydrates, proteins, lipids, and nucleic acids,…

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

A: Carbon hybridization: The bonding of the carbon atom with other atoms by a certain number of bonds…

Q: do non reducing sugars have reactive anomeric carbon?

A: Introduction: Carbohydrates are polyhydroxy aldehydes or ketones with a molecular formula of CnH2On.…

Q: Which OH groups are in the axial position in β-d-mannopyranose?

A: Generally in a stable conformation of glucose, the α-anomer consists of the anomeric carbon in the…

Q: Which methyl groups are from SAM? CH3 CH30 CH3 H3C H3C H3C' COCH3

A: Methylation is the process by which methyl groups (-CH3) are added to biomolecules by replacing a…

Q: Identify the element found in ovalbumin that is not present in a cellulose molecule? О а. Охудen O…

A: Ovalbumin is a specialized protein found in the egg white, while cellulose is the structural…

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

A: The given structure has six carbons and so it will be called hexose. Carbohydrates are also called…

Q: How many carbon (C) atoms are in C6H14N402?

A: