A chiral center is a carbon with four different substituents. The number of chiral centers in ribulose is
Q: What is difference between a nucleoside and a nucleotide ?
A: The combination of a nitrogenous base, sugar, and phosphate forms the nucleotides in contrast to the…
Q: Which of the following is a purine that forms 3 hydrogen bonds with its complementary base? (a) A…
A: Nucleic acids were first discovered by Miescher while studying the pus cells discarded from the…
Q: Why is a thioester bond a “high-energy” bond?
A: Thioesters are considered the same as ATP, which is an important source of energy for performing…
Q: Of the following choices, which one is NOT a component of nucleotides?
A:
Q: Define nucleotides.
A: Introduction Genome consists of DNA/RNA which consists of nucleotides either deoxyribose…
Q: are nitrogen bases with two rings.
A: Nitrogen bases are an integral part of a nucleotide from which the DNA is made. Apart from nitrogen…
Q: A fatty acid is designated as having the structure 18:2 ( 9,12). Draw the structure of the fatty…
A: Fatty acids are carboxylic acid with hydrocarbon side chain. They can be saturated and unsaturated:…
Q: An amino acid contains all of the following except a/an Multiple Choice amino group carboxyl group
A: -Each amino acid has the same or a common or a basic structure that it contains a central carbon…
Q: Chemical formula of Nucleotides
A: The nucleic acids are formed from monomers called nucleotides. There are four nucleotides in DNA,…
Q: The chemical bond that links amino acids in a polypeptide is an _____________.
A: Introduction: The organic molecule that contains two functional groups amine and carboxyl is known…
Q: A derivative of a triterpene that contains four fused rings is referred to as a _____________.
A: A class of the chemical compounds that are made up of 3 terpenes units is known as triterpenes with…
Q: A polysaccharide of glucose, such as starch or glycogen, is formed when the hydroxyl functional…
A: Carbohydrates are the major source of diet. Glucose, a simple sugar that binds with two or more…
Q: Pyrimidines are single ringed structures which include the nitrogenous bases O guanine and adenine O…
A: Nitrogen bases These are also known as nucleobases and these are the building blocks of nucleic…
Q: _____________ is a disaccharide in which galactose is linked to glucose by a β-glycosidic linkage.
A: Lactose is a sugar found only in milk. It is also present in dairy products and products made from…
Q: List the three components of a nucleotide.
A: Nucleotide: It is the basic unit of DNA and have 3 components- a Nitrogenous base, a pentose…
Q: In their natural form, amino acids usually exist as the _ stereoisomer while monosaccharides usually…
A: Introduction: Option 1 is correct.
Q: One of the following amino acids are doesn't found in alph-helical structure Aspartic acid Histidine
A: Secondary structure of protein is made up of alpha helix and beta pleated sheets . Alpha helix is…
Q: A DNA nucleotide is composed of what three parts and are held together by
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: B-D-2-Deoxyribose is an aldopentose component of the nucleic acid structure with its -OH grou at C-3…
A: Ribose and deoxyribose are the fundamental building blocks of nucleic acids.
Q: A structural polysaccharide out of the following is O a. all of the three polymers O b. collagen O…
A: Polysaccharides, also known as polycarbohydrates, are the most common type of carbohydrate in the…
Q: Amino acid +Amino acid >Dipeptide +______
A: Proteins are macromolecules composed of monomeric units called amino acids. These amino acids are…
Q: If L-fucose were to undergo a reaction in which its terminal -CH3 group was converted to a -CH2OH…
A: Monosaccharide can be hexose or aldose sugar. Fucose is a deoxyhexose sugar. It is present in…
Q: The main difference between a glycerophospholipid and a sphingophospholipid is which
A: The main difference between a glycerophospholipid and a sphingophospholipid is in backbone. Option A…
Q: there a relationship between the structure and function of the di-, oligo-, and polysaccharides
A: Asked : If there is relationship between structure and function of given carbohydrates
Q: D-Erythrose and D-threose are referred to as _____________ because their structures only differ in…
A: Stereoisomers are considered as the isomers, which differ to their spatial arrangements.
Q: DNA stands for and is made up of Nucleotides are subunits of nucleic acids and consist of a and a
A: DNA is a chemical molecule found in each cell of most living organisms. It may be double-stranded or…
Q: Do all sugars have at least one chiral center?
A: The carbon to which 4 different groups are attached is known as chiral carbon. Most substances that…
Q: Thymine is a nitrogenous base or nucleosides?
A: The primary structure of a protein is encoded in the sequence of a nucleic acid. The nucleic acid is…
Q: Both deoxyribose and ribose belong to a class of sugar called?
A: Sugar molecules along with the phosphate group form the backbone of the polymers.
Q: This base is ________ and it is a ________ options base : A or C or T or G or U Pyrimidine and…
A: DNA( deoxyribonucleic acid) is the double-stranded molecule that is the genetic material in most…
Q: The anomeric carbon atom is the carbon atom that contain the carbonyl group
A: The anomer is an epimer at the hemiacetal/hemiketal carbon in a cyclic structure.
Q: An -OH group is a(n) _______ group.
A: The functional group is a specific group of atoms or bonds within a compound that is responsible for…
Q: With the following amino acid side chain can the side chain of threonine form hydrogen bonds? Q.)…
A: Hydrogen bonds are electrostatic interactions formed among the macromolecules. In a biological…
Q: List the three parts of a nucleotide.
A: A nucleotide is an organic molecule that is the building block of DNA and RNA. They also have…
Q: Nucleotides found in DNA contain a sugar called dexoyribose, while the sugar group in RNA is called…
A: Nucleotides are molecules comprising a nucleoside and phosphate group. They serve as basic building…
Q: Which of these statements about the tertiary structure of a polypeptide is(are) untrue? You may…
A: Protein play wide variety of essential function in our body. They provide strength and structural…
Q: The addition of monomeric units to one end of a polymer and their removal from the opposite end such…
A: Introduction The cytoskeleton of a cell is made up of intermediate filaments. actin filaments and…
Q: Hydrolysis of a mixture of glycerophospholipids may yield the following, EXCEPT: A. Galactose B.…
A: The Glycerophospholipids (GPL) are the major structural lipid components of the eukaryote cellular…
Q: The name of the chemical bond formed between sugar molecules is called a
A: Chemical bond is an attraction between ions, atoms, and molecules that helps in the formation of…
Q: Cellulose is a large polysaccharide contai
A: Cellulose : cellulose is a polysaccharide of glucose units , consists of carbon hydrogen and oxygen…
Q: Amino acid polymers consisting of more than 50 amino acids are called _____________.
A: Amino acids are building blocks of proteins where each residual was joined by a covalent bond.…
Q: A nucleoside consists of an organic base, bound to ribose or deoxyribose. Draw the structure for…
A: Nucleotides are the monomers of nucleic acids, DNA and RNA. A nucleotide is composed of a…
Q: The molecule below is a monomer of
A: Monomers are the molecules, which can join with other similar molecules to form very large…
Q: what part of the molecule can differ between nucleotides
A: The nucleotides are the basic component of DNA and RNA. The nucleotides are joined together by…
Q: Two sugars which differ from one another only in configuration around a single carbon atom are…
A: Diastereomers, enantiomers, epimers etc are terms used to study stereochemistry of biomolecules.…
Q: Glycogen is a polysacchsride of which type of macromolecule
A: There are four major types of macromolecules. Lipids Proteins Nucleic acids Crabohydrates…
Q: Which of the following is not a use for cellulose?(a) lumber for building(b) fodder for cattle(c)…
A: Cellulose is a polysaccharide of glucose that is present in the plant's cell wall and is…
Q: One of the following is not a structural lipid.
A: Lipids are organic compounds which are essentially non polar in nature. They can be readily…
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- Which of the following IS NOT found in deoxynucleosides? A. Phosphate B. Purines C. Deoxyribose D. PyrimidinesBelow, draw a thymine bonded to a guanine in the 5’-3’ direction. In your drawing besure to include the deoxyribose sugar, the phosphate group, and the specificnitrogenous base.Which of the following statements are TRUE? Multiple answers:Multiple answers are accepted for this question PLEASE SHOW WORK FOR EACH PART AND EXPLAIN WHY EACH ANSWER CHOICE IS WRONG OR RIGHT a. The tripeptide His-Lys-Glu has a net charge of -2 at pH 8.0. b. The tripeptide Asp-Asp-Asp has a net charge of -3 at pH 7.0. c. The tetrapeptide His-His-His-His has a net charge of -1 at pH 7.0. d. There are 6 possible sequences for a tripeptide containing Arg - His - and Pro. e. Certain bacteria synthesize cyclic tetrapeptides. The net charge at pH 7.0 of a cyclic tetrapeptide consisting of two Pro and two Tyr is 0.
- Hydrolysis of a mixture of glycerophospholipids may yield the following, EXCEPT: A. Galactose B. Choline C. Serine amino acid D. PhosphateWhen a purine or a pyrimidine is linked through a β-N-glycosidic link to C-1 of a pentose, the molecule is called a _____________ .All nucleotide monomers contain: Select all that apply. Group of answer choices a nitrogenous base. a phosphate functional group. a ribose sugar. a pentose sugar. a deoxyribose sugar.
- Chain elongation of monosaccharides can be done in the laboratory thru Ruff reaction. True FalseWhich of the following descriptions best describes the composition of nucleotides? Group of answer choices A. a pentose sugar and a purine or pyrimidine B. a nitrogenous base, a phosphate group, and a pentose sugar C. a nitrogenous base and a pentose sugar D. a nitrogenous base and a phosphate group E. a phosphate group and an adenine or uracilWhich of the following is not a nitrogenous base? Group of answer choices A. guanine B. uracil C. deoxyribose D. cytosine E. thymine
- Which of the following will form an osazone crystal?* A. Galactose only B. Mannose only C. Sucrose only D. Galactose and mannose only E. Galactose, mannose, and sucroseThe glycosidic linkage in nucleoside forms from the C-1' carbon of a. N-6 nitrogen of pyrimidines b. N-9 nitrogen of pyrimidines c. N-9 nitrogen of purines d. N-1 nitrogen of purinesWhen a monosaccharide cyclizes, the carbonyl carbon becomes a chiral center. The pair of sterioisomers thus generated is called: tautomers. aptamers. vitamers. epimers. anomers.