Which is a basic unit of a sugar molecule monosaccharide amino acid fatty acid nucleotide?

Which is a basic unit of a sugar molecule monosaccharide amino acid fatty acid nucleotide?
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Answer :

Monosaccharide
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Consider the following statements: (1) Cutin is a fatty acid polymer (2) Starch is a fatty acid polymer (3) Sucrose is monosaccharide (4) Maltose is polymer of fructose

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Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by (a) base-sugar-phosphate (b) base-sugar-OH (c) (base-sugar-phosphate)n (d) sugar-phosphate.

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Which one of the following biomolecules is correctly characterized? (a) Lecithin-a phosphorylated glyceride  found in cell membrane. (b) Palmitic acid - an unsaturated fatty acid with 18 carbon atoms. (c) Adenylic acid - adenosine with a glucose phosphate molecule. (d) Alanine amino acid - contains an amino group and an acidic group anywhere in the molecule.

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A compound gives a positive Tollens' test but negative Ninhydrin test. It is (a) a protein (b) an amino acid (c) a monosaccharide (d) pyridine

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A chain of amino acids joined by peptide bonds is called as (a) Peptide chain (b) Polypeptide chain (c) Polyamino acid chain (d) Nucleotide chain

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Last Answer : Ans. ((b))

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Last Answer : (d) Nucleoside Uracil

Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- Restriction endonuclease can cleave ss and dsDNA both C- Restriction fragment length polymorphism (RFLP) is usually formed in coding sequenceof a gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... sequenceof a gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction fragment length polymorphism (RFLP) is usually formed in coding sequence of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction fragment length polymorphism (RFLP) is usually formed in coding sequence of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Plants synthesise protein from (a) Starch (b) Sugar (c) Amino acids (d) Fatty acids

Description : Plants synthesise protein from (a) Starch (b) Sugar (c) Amino acids (d) Fatty acids

Last Answer : Ans:(c)

Where do plants synthesize protein from? (1) Fatty Acids (2) Sugar (3) Amino Acids (4) Starch

Description : Where do plants synthesize protein from? (1) Fatty Acids (2) Sugar (3) Amino Acids (4) Starch

Last Answer : (3) Amino Acids Explanation: Amino acids are the molecular building blocks of proteins. So proteins are synthesized from them. Essential ami acids are histidine, isoleucine, leucine, methionine, phenyl lanine, threonine, tryptophan, valine, and lysine.

Which of the following is true about sucrose? (a) It hydrolyzes to fructose and glucose. (b) It is a reducing sugar. (c) It is a monosaccharide. (d) It undergoes mutarotation in water.

Description : Which of the following is true about sucrose? (a) It hydrolyzes to fructose and glucose. (b) It is a reducing sugar. (c) It is a monosaccharide. (d) It undergoes mutarotation in water.

Last Answer : It hydrolyzes to fructose and glucose.

A carbohydrate composed of three to ten sugar molecules is called a(n) : (a) disaccharide (b) oligosaccharide (c) polysaccharide (d) monosaccharide

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Last Answer : oligosaccharide

Sucrose, ordinary table sugar, may be classified as a: w) Monosaccharide x) Disaccharide y) Polysaccharide z) Oligosaccharide

Description : Sucrose, ordinary table sugar, may be classified as a: w) Monosaccharide x) Disaccharide y) Polysaccharide z) Oligosaccharide

Last Answer : ANSWER: X -- DISACCHARIDE 

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by `:`

Description : Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by `:`

Last Answer : Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by `:` ... -phosphate")_(n)` D. sugar-phosphate.

Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Description : Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Last Answer : (a) make cuts at specific positions within the DNA molecule

Genetic code is (A) Collection of codon (B) Collection of amino acids (C) Collection of purine nucleotide (D) Collection of pyrimidine nucleotide

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Last Answer : Answer : A

In the regulation of genes: a. more than 90% of the base sequences in human DNA have not known function b. extrons are the part of the gene that code for amino acids found in the final proteins. c. introns usually begins with the nucleotide sequence GT d. all above

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Last Answer : all above

A phosphoglyceride is always made up of (a) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached (b) a saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule (c) only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached (d) only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached.

Description : A phosphoglyceride is always made up of (a) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached (b) a saturated or unsaturated ... unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached.

Last Answer : (a) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached

A typical fat molecule is made up of (a) one glycerol and one fatty acid molecule (b) three glycerol and three fatty acid molecules (c) three glycerol molecules and one fatty acid molecule (d) one glycerol and three fatty acid molecules

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Last Answer : (d) one glycerol and three fatty acid molecules.

A nucleotide consists of (A) A nitrogenous base like choline (B) Purine + pyrimidine base + sugar + phosphorous (C) Purine or pyrimidine base + sugar (D) Purine or pyrimidine base + phosphorous

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Last Answer : Answer : B

The 3′ - 5′ phosphodiester linkages inside a polynucleotide chain serve to join (a) one DNA strand with the other DNA strand (b) one nucleoside with another nucleoside (c) one nucleotide with another nucleotide (d) one nitrogenous base with pentose sugar.

Description : The 3′ - 5′ phosphodiester linkages inside a polynucleotide chain serve to join (a) one DNA strand with the other DNA strand (b) one nucleoside with another nucleoside (c) one nucleotide with another nucleotide (d) one nitrogenous base with pentose sugar.

Last Answer : (c) one nucleotide with another nucleotide

A nucleotide is formed of (a) purine, pyrimidine and phosphate (b) purine, sugar and phosphate (c) nitrogen base, sugar and phosphate (d) pyrimidine, sugar and phosphate

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Last Answer : (c) nitrogen base, sugar and phosphate

Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid

Description : Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid

Last Answer : Answer : D

Vitamin K is a cofactor for (A) Gamma carboxylation of glutamic acid residue (B) β-Oxidation of fatty acid (C) Formation of γ-amino butyrate (D) Synthesis of tryptophan

Description : Vitamin K is a cofactor for (A) Gamma carboxylation of glutamic acid residue (B) β-Oxidation of fatty acid (C) Formation of γ-amino butyrate (D) Synthesis of tryptophan

Last Answer : Answer : A

The combination of an amino alcohol, fatty acid and sialic acid form (A) Phospholipids (B) Sulpholipids (C) Glycolipids (D) Aminolipids

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Last Answer : Answer : C

Deficiency of biotin results in decrease in (A) Amino acid synthesis (B) Lipid synthesis (C) Kidney (D) Fatty acid synthesis

Description : Deficiency of biotin results in decrease in (A) Amino acid synthesis (B) Lipid synthesis (C) Kidney (D) Fatty acid synthesis

Last Answer : Answer : D

Fist is a first class protein as it Contains - (1) essential amino acids (2) non-essential amino acids (3) all essential fatty acids (4) no amino acid

Description : Fist is a first class protein as it Contains - (1) essential amino acids (2) non-essential amino acids (3) all essential fatty acids (4) no amino acid

Last Answer : (1) essential amino-acids Explanation: Animal proteins derived from meat and fish are called first class proteins. A first-class protein is one which contains all 8 essential amino acids (which ... the body). They are also called complete proteins. Plant proteins are called second class proteins.

The following occur in untreated insulin dependent diabetes mellitus: a. diuresis b. decreased plasma amino acid c. increased plasma fatty acid d. ketonuria

Description : The following occur in untreated insulin dependent diabetes mellitus: a. diuresis b. decreased plasma amino acid c. increased plasma fatty acid d. ketonuria

Last Answer : ketonuria

Amino acids are mostly synthesised from (a) mineral salts (b) fatty acids (c) volatile acids (d) α-ketoglutaric acid.

Description : Amino acids are mostly synthesised from (a) mineral salts (b) fatty acids (c) volatile acids (d) α-ketoglutaric acid.

Last Answer : (d) α-ketoglutaric acid.

The Golgi complex participates in (a) fatty acid breakdown (b) formation of secretory vesicles (c) respiration in bacteria (d) activation of amino acid

Description : The Golgi complex participates in (a) fatty acid breakdown (b) formation of secretory vesicles (c) respiration in bacteria (d) activation of amino acid

Last Answer : b) formation of secretory vesicles

Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid

Description : Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid

Last Answer : A mixture of amino acids

Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid

Description : Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid

Last Answer : (D) Sulphur containing fatty acid

The Golgi complex participates in (1) Fatty acid breakdown (2) Formation of secretory vesicles (3) Respiration in bacteria (4) Activation of amino acid

Description : The Golgi complex participates in (1) Fatty acid breakdown (2) Formation of secretory vesicles (3) Respiration in bacteria (4) Activation of amino acid

Last Answer : (2) Formation of secretory vesicles

Proteins are finally converted into: (a) Glucose (b) Amino acid (c) Glycerol (d) Fatty acid

Description : Proteins are finally converted into: (a) Glucose (b) Amino acid (c) Glycerol (d) Fatty acid

Last Answer : (b) Amino acid

Fist is a first class protein as it contains (1) essential amino-acids (2) non-essential amino acids (3) all essential fatty acids (4) no amino acid

Description : Fist is a first class protein as it contains (1) essential amino-acids (2) non-essential amino acids (3) all essential fatty acids (4) no amino acid

Last Answer : essential amino-acids

An unknown amino acid has `0.32%` sulphur by mass . If each molecule has one sulphur atom only 1 g of amino acid has . . . . . . . Molecules :-

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Last Answer : An unknown amino acid has `0.32%` sulphur by mass . If each molecule has one sulphur atom only 1 g of amino ... C. `6.02xx10^(24)` D. `6.02xx10^(23`

Degeneracy of genetic code implies that (A) Codons do not code for specific amino acid (B) Multiple codons must decode the same amino acids (C) No anticodon on tRNA molecule (D) Specific codon decodes many amino acids

Description : Degeneracy of genetic code implies that (A) Codons do not code for specific amino acid (B) Multiple codons must decode the same amino acids (C) No anticodon on tRNA molecule (D) Specific codon decodes many amino acids

Last Answer : Answer : B

In the B chain of insulin molecule, the C-terminal amino acid: (A) Threonine (B) Tyrosine (C) Glutamate (D) Valine

Description : In the B chain of insulin molecule, the C-terminal amino acid: (A) Threonine (B) Tyrosine (C) Glutamate (D) Valine

Last Answer : Answer : A

In the B chain of insulin molecule, the Nterminal amino acid is (A) Proline (B) Threonine (C) Phenylalanine (D) Lysine

Description : In the B chain of insulin molecule, the Nterminal amino acid is (A) Proline (B) Threonine (C) Phenylalanine (D) Lysine

Last Answer : Answer : C

In the A chain of insulin molecule the Cterminal amino acid is (A) Asparagine (B) Threonine (C) Valine (D) Tyrosine

Description : In the A chain of insulin molecule the Cterminal amino acid is (A) Asparagine (B) Threonine (C) Valine (D) Tyrosine

Last Answer : Answer : A

In A chain of the insulin molecule the Nterminal amino acid is (A) Glycine (B) Valine (C) Serine (D) Phenylalanine

Description : In A chain of the insulin molecule the Nterminal amino acid is (A) Glycine (B) Valine (C) Serine (D) Phenylalanine

Last Answer : Answer : A

From two amino acids peptide bond formation involves removal of one molecule of (A) Water (B) Ammonia (C) Carbondioxide (D) Carboxylic acid

Description : From two amino acids peptide bond formation involves removal of one molecule of (A) Water (B) Ammonia (C) Carbondioxide (D) Carboxylic acid

Last Answer : Answer : A

At a pH below the isoelectric point, an amino acid exists as (A) Cation (B) Anion (C) Zwitterion (D) Undissociated molecule

Description : At a pH below the isoelectric point, an amino acid exists as (A) Cation (B) Anion (C) Zwitterion (D) Undissociated molecule

Last Answer : Answer : A