In glucose the orientation of the —H and —OH groups around the carbon atom 5 adjacent to the terminal primary alcohol carbon determines (A) D or L series (B) Dextro or levorotatory (C)  and  anomers (D) Epimers

In glucose the orientation of the —H and
—OH groups around the carbon atom 5
adjacent to the terminal primary alcohol
carbon determines
(A) D or L series
(B) Dextro or levorotatory
(C)  and  anomers
(D) Epimers
by

1 Answer

Answer :

(A) D or L series
by

Related questions

In glucose the orientation of the —H and —OH groups around the carbon atom 5 adjacent to the terminal primary alcohol carbon determines (A) D or L series (B) Dextro or levorotatory (C) α and β anomers (D) Epimers

Description : In glucose the orientation of the —H and —OH groups around the carbon atom 5 adjacent to the terminal primary alcohol carbon determines (A) D or L series (B) Dextro or levorotatory (C) α and β anomers (D) Epimers

Last Answer : A

Isomers differing as a result of variations in configuration of the —OH and —H on carbon atoms 2, 3 and 4 of glucose are known as (A) Epimers (B) Anomers (C) Optical isomers (D) Steroisomers

Description : Isomers differing as a result of variations in configuration of the —OH and —H on carbon atoms 2, 3 and 4 of glucose are known as (A) Epimers (B) Anomers (C) Optical isomers (D) Steroisomers

Last Answer : (A) Epimers

Two sugars which differ from one another only in configuration around a single carbon atom are termed (A) Epimers (B) Anomers (C) Optical isomers (D) Stereoisomers

Description : Two sugars which differ from one another only in configuration around a single carbon atom are termed (A) Epimers (B) Anomers (C) Optical isomers (D) Stereoisomers

Last Answer : (A) Epimers

Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

Description : Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

Last Answer : (A) Stereoisomers

Isomers differing as a result of variations in configuration of the —OH and —H on carbon atoms 2, 3 and 4 of glucose are known as (A) Epimers (B) Anomers (C) Optical isomers (D) Steroisomers

Description : Isomers differing as a result of variations in configuration of the —OH and —H on carbon atoms 2, 3 and 4 of glucose are known as (A) Epimers (B) Anomers (C) Optical isomers (D) Steroisomers

Last Answer : A

Proteins contain (A) Only L-  - amino acids (B) Only D-amino acids (C) DL-Amino acids (D) Both (A) and (B)

Description : Proteins contain (A) Only L-  - amino acids (B) Only D-amino acids (C) DL-Amino acids (D) Both (A) and (B)

Last Answer : (A) Only L-  - amino acids

An example of -amino acid not present in proteins but essential in mammalian metabolism is (A) 3-Amino 3-hydroxypropanoic acid (B) 2-Amino 3-hydroxybutanoic acid (C) 2-Amino 4-mercaptobutanoic acid (D) 2-Amino 3-mercaptopropanoic acid

Description : An example of -amino acid not present in proteins but essential in mammalian metabolism is (A) 3-Amino 3-hydroxypropanoic acid (B) 2-Amino 3-hydroxybutanoic acid (C) 2-Amino 4-mercaptobutanoic acid (D) 2-Amino 3-mercaptopropanoic acid

Last Answer : (C) 2-Amino 4-mercaptobutanoic acid

Two sugars which differ from one another only in configuration around a single carbon atom are termed (A) Epimers (B) Anomers (C) Optical isomers (D) Stereoisomers

Description : Two sugars which differ from one another only in configuration around a single carbon atom are termed (A) Epimers (B) Anomers (C) Optical isomers (D) Stereoisomers

Last Answer : A

α−D-Glucose and β−D-glucose are related by (A) Epimers (B) Anomers (C) Multirotation (D) Ketoenol pair

Description : α−D-Glucose and β−D-glucose are related by (A) Epimers (B) Anomers (C) Multirotation (D) Ketoenol pair

Last Answer : B

α-D-glucose and β -D-glucose are (A) Stereoisomers (B) Epimers (C) Anomers (D) Keto-aldo pairs

Description : α-D-glucose and β -D-glucose are (A) Stereoisomers (B) Epimers (C) Anomers (D) Keto-aldo pairs

Last Answer : C

Amino acid with side chain containing basic groups is (A) 2-Amino 5-guanidovaleric acid (B) 2-Pyrrolidine carboxylic acid (C) 2-Amino 3-mercaptopropanoic acid (D) 2-Amino propanoic acid

Description : Amino acid with side chain containing basic groups is (A) 2-Amino 5-guanidovaleric acid (B) 2-Pyrrolidine carboxylic acid (C) 2-Amino 3-mercaptopropanoic acid (D) 2-Amino propanoic acid

Last Answer : (A) 2-Amino 5-guanidovaleric acid

The most important epimer of glucose is (A) Galactose (B) Fructose (C) Arabinose (D) Xylose

Description : The most important epimer of glucose is (A) Galactose (B) Fructose (C) Arabinose (D) Xylose

Last Answer : (A) Galactose

The number of isomers of glucose is (A) 2 (B) 4 (C) 8 (D) 16

Description : The number of isomers of glucose is (A) 2 (B) 4 (C) 8 (D) 16

Last Answer : (D) 16

A pentose sugar is (A) Dihydroxyacetone (B) Ribulose (C) Erythrose (D) Glucose

Description : A pentose sugar is (A) Dihydroxyacetone (B) Ribulose (C) Erythrose (D) Glucose

Last Answer : (B) Ribulose

A sugar alcohol is (A) Mannitol (B) Trehalose (C) Xylulose (D) Arabinose

Description : A sugar alcohol is (A) Mannitol (B) Trehalose (C) Xylulose (D) Arabinose

Last Answer : (A) Mannitol

Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

Description : Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

Last Answer : A

Since the pK values for aspartic acid are 2.0, 3.9 and 10.0, it follows that the isoelectric (pH) is (A) 3.0 (B) 3.9 (C) 5.9 (D) 6.0

Description : Since the pK values for aspartic acid are 2.0, 3.9 and 10.0, it follows that the isoelectric (pH) is (A) 3.0 (B) 3.9 (C) 5.9 (D) 6.0

Last Answer : (A) 3.0

Non essential amino acids (A) Are not components of tissue proteins (B) May be synthesized in the body from essential amino acids (C) Have no role in the metabolism (D) May be synthesized in the body in diseased states

Description : Non essential amino acids (A) Are not components of tissue proteins (B) May be synthesized in the body from essential amino acids (C) Have no role in the metabolism (D) May be synthesized in the body in diseased states

Last Answer : (B) May be synthesized in the body from essential amino acids

The functions of plasma albumin are (A) Osmosis (B) Transport (C) Immunity (D) both (A )and (B)

Description : The functions of plasma albumin are (A) Osmosis (B) Transport (C) Immunity (D) both (A )and (B)

Last Answer : (A) Osmosis

An aromatic amino acid is (A) Lysine (B) Tyrosine (C) Taurine (D) Arginine

Description : An aromatic amino acid is (A) Lysine (B) Tyrosine (C) Taurine (D) Arginine

Last Answer : (B) Tyrosine

All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Description : All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Last Answer : (D) Threonine

An example of sulphur containing amino acid is (A) 2-Amino-3-mercaptopropanoic acid (B) 2-Amino-3-methylbutanoic acid (C) 2-Amino-3-hydroxypropanoic acid (D) Amino acetic acid

Description : An example of sulphur containing amino acid is (A) 2-Amino-3-mercaptopropanoic acid (B) 2-Amino-3-methylbutanoic acid (C) 2-Amino-3-hydroxypropanoic acid (D) Amino acetic acid

Last Answer : (A) 2-Amino-3-mercaptopropanoic acid

Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine

Description : Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine

Last Answer : (A) Methionine

pH (isoelectric pH) of alanine is (A) 6.02 (B) 6.6 (C) 6.8 (D) 7.2

Description : pH (isoelectric pH) of alanine is (A) 6.02 (B) 6.6 (C) 6.8 (D) 7.2

Last Answer : (A) 6.02

The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains (C) Some amino acids contain only positive Charge (D) All amino acids contain negatively charged side chains

Description : The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains ... amino acids contain only positive Charge (D) All amino acids contain negatively charged side chains

Last Answer : (A) All amino acids contain both positive and negative charges

At neutral pH, a mixture of amino acids in solution would be predominantly: (A) Dipolar ions (B) Nonpolar molecules (C) Positive and monovalent (D) Hydrophobic

Description : At neutral pH, a mixture of amino acids in solution would be predominantly: (A) Dipolar ions (B) Nonpolar molecules (C) Positive and monovalent (D) Hydrophobic

Last Answer : (A) Dipolar ions

The optically inactive amino acid is (A) Glycine (B) Serine (C) Threonine (D) Valine

Description : The optically inactive amino acid is (A) Glycine (B) Serine (C) Threonine (D) Valine

Last Answer : (A) Glycine

All proteins contain the (A) Same 20 amino acids (B) Different amino acids (C) 300 Amino acids occurring in nature (D) Only a few amino acids

Description : All proteins contain the (A) Same 20 amino acids (B) Different amino acids (C) 300 Amino acids occurring in nature (D) Only a few amino acids

Last Answer : (A) Same 20 amino acids

The sugar found in DNA is (A) Xylose (B) Ribose (C) Deoxyribose (D) Ribulose

Description : The sugar found in DNA is (A) Xylose (B) Ribose (C) Deoxyribose (D) Ribulose

Last Answer : (C) Deoxyribose

The major sugar of insect hemolymph is (A) Glycogen (B) Pectin (C) Trehalose (D) Sucrose

Description : The major sugar of insect hemolymph is (A) Glycogen (B) Pectin (C) Trehalose (D) Sucrose

Last Answer : (C) Trehalose

Erythromycin contains (A) Dimethyl amino sugar (B) Trimethyl amino sugar (C) Sterol and sugar (D) Glycerol and sugar

Description : Erythromycin contains (A) Dimethyl amino sugar (B) Trimethyl amino sugar (C) Sterol and sugar (D) Glycerol and sugar

Last Answer : (A) Dimethyl amino sugar

The carbohydrate of the blood group substances is (A) Sucrose (B) Fucose (C) Arabinose (D) Maltose

Description : The carbohydrate of the blood group substances is (A) Sucrose (B) Fucose (C) Arabinose (D) Maltose

Last Answer : (B) Fucose

Polysaccharides are (A) Polymers (B) Acids (C) Proteins (D) Oils

Description : Polysaccharides are (A) Polymers (B) Acids (C) Proteins (D) Oils

Last Answer : (A) Polymers

The pentose sugar present mainly in the heart muscle is (A) Lyxose (B) Ribose (C) Arabinose (D) Xylose

Description : The pentose sugar present mainly in the heart muscle is (A) Lyxose (B) Ribose (C) Arabinose (D) Xylose

Last Answer : (A) Lyxose

A triose sugar is (A) Glycerose (B) Ribose (C) Erythrose (D) Fructose

Description : A triose sugar is (A) Glycerose (B) Ribose (C) Erythrose (D) Fructose

Last Answer : (A) Glycerose

The aldose sugar is (A) Glycerose (B) Ribulose (C) Erythrulose (D) Dihydoxyacetone

Description : The aldose sugar is (A) Glycerose (B) Ribulose (C) Erythrulose (D) Dihydoxyacetone

Last Answer : (A) Glycerose

The general formula of polysaccharides is (A) (C6H10O5)n (B) (C6H12O5)n (C) (C6H10O6)n (D) (C6H10O6)n

Description : The general formula of polysaccharides is (A) (C6H10O5)n (B) (C6H12O5)n (C) (C6H10O6)n (D) (C6H10O6)n

Last Answer : (A) (C6H10O5)n

general formula of monosaccharides is (A) CnH2nOn (B) C2nH2On (C) CnH2O2n (D) CnH2nO2n

Description : general formula of monosaccharides is (A) CnH2nOn (B) C2nH2On (C) CnH2O2n (D) CnH2nO2n

Last Answer : (A) CnH2nOn

Epimers of glucose is (A) Fructose (B) Galactose (C) Ribose (D) Deoxyribose

Description : Epimers of glucose is (A) Fructose (B) Galactose (C) Ribose (D) Deoxyribose

Last Answer : B

The epimers of glucose is (A) Fructose (B) Galactose (C) Ribose (D) Deoxyribose

Description : The epimers of glucose is (A) Fructose (B) Galactose (C) Ribose (D) Deoxyribose

Last Answer : B

The designation D or Lbefore the name of a monosaccharide (a) indicates the direction of rotation of polarized light. (b) indicates the length of the carbon chain in the carbohydrate. (c) indicates the position of the OH group on the carbon next to the primary alcohol group. (d) indicates the position of the asymmetric carbon atoms in the carbohydrate.

Description : The designation D or Lbefore the name of a monosaccharide (a) indicates the direction of rotation of polarized light. (b) indicates the length of the carbon chain in the carbohydrate. (c) ... the primary alcohol group. (d) indicates the position of the asymmetric carbon atoms in the carbohydrate.

Last Answer : indicates the position of the OH group on the carbon next to the primary alcohol group.

Mutarotation is a term related to (a) Interconversion of anomers (b) Relationship of D- and L- families (c) Hydrolysis of sucrose (d) Number of monsaccharides in a carbohydrate

Description : Mutarotation is a term related to (a) Interconversion of anomers (b) Relationship of D- and L- families (c) Hydrolysis of sucrose (d) Number of monsaccharides in a carbohydrate

Last Answer : Interconversion of anomers

If the bond angles at a carbon atom are 120 degrees how many groups are distributed around the carbon atom?

Description : If the bond angles at a carbon atom are 120 degrees how many groups are distributed around the carbon atom?

Last Answer : Feel Free to Answer

Which of the following is a true statement? (a) All chiral molecules possess a plane of symmetry. (b) All achiral molecules are meso. (c) All molecules which possess a single asymmetric center of the S configuration are levorotatory. (d) A mixture of achiral compounds will be optically inactive

Description : Which of the following is a true statement? (a) All chiral molecules possess a plane of symmetry. (b) All achiral molecules are meso. (c) All molecules which possess a single asymmetric center of the S configuration are levorotatory. (d) A mixture of achiral compounds will be optically inactive

Last Answer : A mixture of achiral compounds will be optically inactive

The equilibrium, H2O(l) ⇌ H^+(aq) + OH^-(aq) is :

Description : The equilibrium, H2O(l) ⇌ H^+(aq) + OH^-(aq) is :

Last Answer : The equilibrium, H2O(l) ⇌ H+(aq) + OH-(aq) is : a. dynamic b. static c. physical d. mechanical

(3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of the atom, the electron configuration determines how it will bond, with what it will bond, and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

Description : (3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of ... , and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

Last Answer : Methyl phenyl ether can be obtained by reacting - (1) phenolate ions and methyl iodide (2) methoxide ions and bromobenzene (3) methanol and phenol (4) bromobenzene and methyl bromide

What is the radius of an imaginary shell around an atom which determines how close two nonbonded atoms may approach each other called?

Description : What is the radius of an imaginary shell around an atom which determines how close two nonbonded atoms may approach each other called?

Last Answer : ANSWER: VAN DER WAALS RADIUS 

What is the functional group in an alcohol? (a) Carbon-carbon double bond (b) NH2 (c) OH (d) COOH

Description : What is the functional group in an alcohol? (a) Carbon-carbon double bond (b) NH2 (c) OH (d) COOH

Last Answer : OH

An open shunt field in a direct current machine may be located by connecting the field circuit to an external power source, equal to the rated field voltage or less, and tested with a voltmeter from _____________. A. one line terminal to each coil lead in succession B. one field coil to each adjacent field coil in turn C. any suitable ground to any available line lead D. any field pole to each field coil lead

Description : An open shunt field in a direct current machine may be located by connecting the field circuit to an external power source, equal to the rated field voltage or less, and tested with a voltmeter from ... C. any suitable ground to any available line lead D. any field pole to each field coil lead

Last Answer : Answer: A

Number of chiral carbon persent in the following compound: `CH_(3)-underset(overset(|)(OH))(C)H-CH_(2)-underset(overset(|)(Br))(C)H-underset(overset(|

Description : Number of chiral carbon persent in the following compound: `CH_(3)-underset(overset(|)(OH))(C)H-CH_(2)-underset(overset(|)(Br))(C)H-underset(overset(|

Last Answer : Number of chiral carbon persent in the following compound: `CH_(3)-underset(overset(|)(OH))(C)H-CH_(2)-underset(overset( ... (3)` A. 2 B. 3 C. 4 D. 5