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.

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.
by

1 Answer

Answer :

(c) one nucleotide with another nucleotide
by

Related questions

Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ _____ GAATTC _____ 3′ 3′ _____ CTTAAG _____ 5′ (a) Replication completed (b) Deletion mutation (c) Start codon at the 5′ end (d) Palindromic sequence of base pairs

Description : Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ _____ GAATTC _____ 3′ 3′ _____ CTTAAG _____ 5′ (a) ... completed (b) Deletion mutation (c) Start codon at the 5′ end (d) Palindromic sequence of base pairs

Last Answer : (d) Palindromic sequence of base pairs

Polynucleotide chain of DNA contains (a) a nitrogenous base, deoxyribose sugar and phosphate group (b) a nitrogenous base, ribose sugar and phosphate group (c) deoxyribose sugar ribose sugar and phosphate group (d) a nitrogenous base and phosphate group only

Description : Polynucleotide chain of DNA contains (a) a nitrogenous base, deoxyribose sugar and phosphate group (b) a nitrogenous base, ribose sugar and phosphate group (c) deoxyribose sugar ribose sugar and phosphate group (d) a nitrogenous base and phosphate group only

Last Answer : Ans:(a)

mRNA is complementary copy of (A) 5′-3′ strand of DNA+ (B) 3′-5′ strand of DNA (C) Antisense strand of DNA (D) tRNA

Description : mRNA is complementary copy of (A) 5′-3′ strand of DNA+ (B) 3′-5′ strand of DNA (C) Antisense strand of DNA (D) tRNA

Last Answer : Answer : B

Select the correct option. Direction of Direction of reading of RNA synthesis the template DNA strand (a) 5′ – 3′ 3′ – 5′ (b) 3′ – 5′ 5′ – 3′ (c) 5′ – 3′ 5′ – 3′ (d) 3′ – 5′ 3′ – 5′

Description : Select the correct option. Direction of Direction of reading of RNA synthesis the template DNA strand (a) 5′ – 3′ 3′ – 5′ (b) 3′ – 5′ 5′ – 3′ (c) 5′ – 3′ 5′ – 3′ (d) 3′ – 5′ 3′ – 5′

Last Answer : (d) 3′ – 5′ 3′ – 5′

What will be the sequence of mRNA produced by the following stretch of DNA? 3′ATGCATGCATGCATG5′TEMPLATE STRAND 5′ TACGTACGTACGTAC3′ CODING STRAND (a) 3′AUGCAUGCAUGCAUG5′ (b) 5′UACGUACGUACGUAC 3′ (c) 3′ UACGUACGUACGUAC 5′ (d) 5′ AUGCAUGCAUGCAUG 3

Description : What will be the sequence of mRNA produced by the following stretch of DNA? 3′ATGCATGCATGCATG5′TEMPLATE STRAND 5′ TACGTACGTACGTAC3′ CODING STRAND (a) 3′AUGCAUGCAUGCAUG5′ (b) 5′UACGUACGUACGUAC 3′ (c) 3′ UACGUACGUACGUAC 5′ (d) 5′ AUGCAUGCAUGCAUG 3

Last Answer : d) 5′ AUGCAUGCAUGCAUG 3′

Select the correct option. Direction of Direction of reading of RNA synthesis the template DNA strand (a) 5′ – 3′ 3′ – 5′ (b) 3′ – 5′ 5′ – 3′ (c) 5′ – 3′ 5′ – 3′ (d) 3′ – 5′ 3′ – 5′

Description : Select the correct option. Direction of Direction of reading of RNA synthesis the template DNA strand (a) 5′ – 3′ 3′ – 5′ (b) 3′ – 5′ 5′ – 3′ (c) 5′ – 3′ 5′ – 3′ (d) 3′ – 5′ 3′ – 5′

Last Answer : (a) 5′ – 3′ 3′ – 5′

The degradation of RNA by pancreatic ribonuclease produces (A) Nucleoside 2-Phosphates (B) Nucleoside 5′-phosphates (C) Oligonucleosides (D) Nucleoside 3′-phosphate and oligonucleotide

Description : The degradation of RNA by pancreatic ribonuclease produces (A) Nucleoside 2-Phosphates (B) Nucleoside 5′-phosphates (C) Oligonucleosides (D) Nucleoside 3′-phosphate and oligonucleotide

Last Answer : Answer : D

The basic unit of nucleic acid is (a) pentose sugar (b) nucleoid (c) nucleoside (d) nucleotide.

Description : The basic unit of nucleic acid is (a) pentose sugar (b) nucleoid (c) nucleoside (d) nucleotide.

Last Answer : d) nucleotide.

The bond between sugar and nitrogenous base in case of DNA is known as (a) Gycosidic bond (b) Phosphodiester bond (c) H-bond (d) Peptide bond

Description : The bond between sugar and nitrogenous base in case of DNA is known as (a) Gycosidic bond (b) Phosphodiester bond (c) H-bond (d) Peptide bond

Last Answer : (a) Gycosidic bond

The correct statement concerning RNA and DNA polymerases is (A) RNA polymerase use nucleoside diphosphates (B) RNA polymerase require primers and add bases at 5’ end of the growing polynucleotide chain (C) DNA polymerases can add nucleotides at both ends of the chain (D) All RNA and DNA polymerases can add nucleotides only at the 3’ end of the growing polynucleotide chain

Description : The correct statement concerning RNA and DNA polymerases is (A) RNA polymerase use nucleoside diphosphates (B) RNA polymerase require primers and add bases at 5' end of the growing polynucleotide ... and DNA polymerases can add nucleotides only at the 3' end of the growing polynucleotide chain

Last Answer : Answer : D

Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain? (a) Lipase (b) Protease (c) Endonuclease (d) Exonuclease

Description : Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain? (a) Lipase (b) Protease (c) Endonuclease (d) Exonuclease

Last Answer : (c) Endonuclease

Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain? (a) Lipase (b) Protease (c) Endonuclease (d) Exonuclease

Description : Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain? (a) Lipase (b) Protease (c) Endonuclease (d) Exonuclease

Last Answer : c) G + C / A + T

In a nucleotide, the nitrogen base is joined to the sugar molecule by a) Phosphodiester bond b) Glycosidic bond c) Hydrogen bond d) (a) &(b)

Description : In a nucleotide, the nitrogen base is joined to the sugar molecule by a) Phosphodiester bond b) Glycosidic bond c) Hydrogen bond d) (a) &(b)

Last Answer : b) Glycosidic bond

n the DNA molecule, (a) the proportion of adenine in relation to thymine varies with the organism (b) there are two strands which run anti- parallel-one in 5′ → 3′ direction and other in 3′ → 5′ (c) the total amount of purine nucleotides and pyrimidine nucleotides is not always equal (d) there are two strands which run parallel in the 5′ → 3′ direction.

Description : n the DNA molecule, (a) the proportion of adenine in relation to thymine varies with the organism (b) there are two strands which run anti- parallel-one in 5′ → 3′ direction and other in 3′ → ... is not always equal (d) there are two strands which run parallel in the 5′ → 3′ direction.

Last Answer : (b) there are two strands which run anti- parallel-one in 5′ → 3′ direction and other in 3′ → 5′

Although each specific tRNA differs from the others in its sequence of nucleotides, all tRNA molecules contain a base paired stem that terminates in the sequence CCA at (A) 3′ Termini (B)5′ Termini (C) Anticodon arm (D) 53 ′′ -Termini

Description : Although each specific tRNA differs from the others in its sequence of nucleotides, all tRNA molecules contain a base paired stem that terminates in the sequence CCA at (A) 3′ Termini (B)5′ Termini (C) Anticodon arm (D) 53 ′′ -Termini

Last Answer : Answer : A

In sanger’s method of DNA sequence determination, DNA synthesis is stopped by using (A) 1′, 2′- Dideoxyribonucleoside triphosphates (B) 2′, 3′- Dideoxyribonucleoside triphosphates (C) 2′, 4′- Dideoxyribonucleoside triphosphates (D) 2′, 5′ - Dideoxyribonucleoside triphosphates

Description : In sanger’s method of DNA sequence determination, DNA synthesis is stopped by using (A) 1′, 2′- Dideoxyribonucleoside triphosphates (B) 2′, 3′- Dideoxyribonucleoside triphosphates (C) 2′, 4′- Dideoxyribonucleoside triphosphates (D) 2′, 5′ - Dideoxyribonucleoside triphosphates

Last Answer : Answer : B

Which one of the following represents a palindromic sequence in DNA? (a) 5′ - GAATTC - 3′ (b) 5′ - CCAATG - 3′ 3′ - CTTAAG - 5′ 3′ - GAATCC - 5′ (c) 5′ - CATTAG - 3′ (d) 5′ - GATACC - 3′ 3′ - GATAAC - 5′ 3′ - CCTAAG - 5′

Description : Which one of the following represents a palindromic sequence in DNA? (a) 5′ - GAATTC - 3′ (b) 5′ - CCAATG - 3′ 3′ - CTTAAG - 5′ 3′ - GAATCC - 5′ (c) 5′ - CATTAG - 3′ (d) 5′ - GATACC - 3′ 3′ - GATAAC - 5′ 3′ - CCTAAG - 5′

Last Answer : (a) 5′ - GAATTC - 3′ 5′ - CCAATG - 3′ 3′ - CTTAAG - 5′

mRNA is synthesised on DNA template in which direction? (a) 5′ → 3′ (b) 3′ → 5′ (c) Both (a) and (b) (d) Any

Description : mRNA is synthesised on DNA template in which direction? (a) 5′ → 3′ (b) 3′ → 5′ (c) Both (a) and (b) (d) Any

Last Answer : a) 5′ → 3′

mRNA is synthesised on DNA template in which direction? (a) 5′ → 3′ (b) 3′ → 5′ (c) Both (a) and (b) (d) Any

Description : mRNA is synthesised on DNA template in which direction? (a) 5′ → 3′ (b) 3′ → 5′ (c) Both (a) and (b) (d) Any

Last Answer : (a) 5′ → 3′

A nucleoside consists of (A) Nitrogenous base (B) Purine or pyrimidine base + sugar (C) Purine or pyrimidine base + phosphorous (D) Purine + pyrimidine base + sugar + phosphorous

Description : A nucleoside consists of (A) Nitrogenous base (B) Purine or pyrimidine base + sugar (C) Purine or pyrimidine base + phosphorous (D) Purine + pyrimidine base + sugar + phosphorous

Last Answer : Answer : B

Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the incorrect statement. (a) The enzyme recognises a specific palindromic nucleotide sequence in the DNA. (b) The enzyme cuts DNA molecule at identified position within the DNA. (c) The enzyme binds DNA at specific sites and cuts only one of the two strands. (d) The enzyme cuts the sugar-phosphate backbone at specific sites on each strand.

Description : Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the incorrect statement. (a) The enzyme recognises a specific palindromic nucleotide sequence in the DNA. (b) ... (d) The enzyme cuts the sugar-phosphate backbone at specific sites on each strand.

Last Answer : (c) The enzyme binds DNA at specific sites and cuts only one of the two strands.

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

Description : 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

Last Answer : Answer : B

9.The reason behind the anti-parallel strand of DNA is 1. Hydrogen bond 2. Ionic bond 3. Phosphodiester bond 4. Disulphide bond

Description : 9.The reason behind the anti-parallel strand of DNA is 1. Hydrogen bond 2. Ionic bond 3. Phosphodiester bond 4. Disulphide bond

Last Answer : Ans: Phosphodiester bond.

If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence? (a) TTAGU (b) UAGAC (c) AACTG (d) ATCGU

Description : If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence? (a) TTAGU (b) UAGAC (c) AACTG (d) ATCGU

Last Answer : (a) TTAGU

If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence? (a) TTAGU (b) UAGAC (c) AACTG (d) ATCGU

Description : If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence? (a) TTAGU (b) UAGAC (c) AACTG (d) ATCGU

Last Answer : b) UAGAC

If one strand of DNA has the nitrogenous base sequence as ATCTC, what would be the complementary RNA strand sequence ? (1) ATCGU (2) TTAGU (3) UAGAC (4) AACTG

Description : If one strand of DNA has the nitrogenous base sequence as ATCTC, what would be the complementary RNA strand sequence ? (1) ATCGU (2) TTAGU (3) UAGAC (4) AACTG

Last Answer : (3) UAGAC

All of the following statements about post-transcriptional processing of tRNA are true except (A) Introns of some tRNA precursors are removed (B) CCA is added at 3′ end (C) 7-Methylguanosine triphosphate cap is added at 5′ end (D) Some bases are methylated

Description : All of the following statements about post-transcriptional processing of tRNA are true except (A) Introns of some tRNA precursors are removed (B) CCA is added at 3′ end (C) 7-Methylguanosine triphosphate cap is added at 5′ end (D) Some bases are methylated

Last Answer : Answer : C

Direction of RNA synthesis is (A) 5′ → 3’ (B) 3′ → 5’ (C) Both (A) and (B) (D) None of these

Description : Direction of RNA synthesis is (A) 5′ → 3’ (B) 3′ → 5’ (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

All pribnow boxes are variants of the sequence: (A) 5′–TATAAT –3′ (B) 5′–GAGCCA –3′ (C) 5′–UAACAA –3′ (D) 5′–TCCTAG –3′

Description : All pribnow boxes are variants of the sequence: (A) 5′–TATAAT –3′ (B) 5′–GAGCCA –3′ (C) 5′–UAACAA –3′ (D) 5′–TCCTAG –3′

Last Answer : Answer : A

The specific palindromic sequence which is recognised by EcoRI is (a) 5′ - GAATTC - 3′ (b) 5′ - GGAACC - 3′ 3′ - CTTAAG - 5′ 3′ - CCTTGG - 5′ (c) 5′ - CTTAAG - 3′ (d) 5′ - GGATCC - 3′ 3′ - GAATTC - 5′ 3′ - CCTAGG - 5′.

Description : The specific palindromic sequence which is recognised by EcoRI is (a) 5′ - GAATTC - 3′ (b) 5′ - GGAACC - 3′ 3′ - CTTAAG - 5′ 3′ - CCTTGG - 5′ (c) 5′ - CTTAAG - 3′ (d) 5′ - GGATCC - 3′ 3′ - GAATTC - 5′ 3′ - CCTAGG - 5′.

Last Answer : (a) 5′ - GAATTC - 3′

ATP is called a. A nucleoside b. Physiological currency c. An amino acid d. Polynucleotide

Description : ATP is called a. A nucleoside b. Physiological currency c. An amino acid d. Polynucleotide

Last Answer : b. Physiological currency

During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG then the nucleotide sequence in the mRNA would be (a) TATGC (b) TCTGG (c) UAUGC (d) UATGC.

Description : During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG then the nucleotide sequence in the mRNA would be (a) TATGC (b) TCTGG (c) UAUGC (d) UATGC.

Last Answer : (c) UAUGC

During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG then the nucleotide sequence in the mRNA would be (a) TATGC (b) TCTGG (c) UAUGC (d) UATGC.

Description : During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG then the nucleotide sequence in the mRNA would be (a) TATGC (b) TCTGG (c) UAUGC (d) UATGC.

Last Answer : (c) UAUGC

Where is the phosphodiester bond in a nucleotide? -Biology

Description : Where is the phosphodiester bond in a nucleotide? -Biology

Last Answer : answer:

Which of the following biomolecules does have a phosphodiester bond? (a) Amino acids in a polypeptide (b) Nucleic acids in a nucleotide (c) Fatty acids in a diglyceride (d) Monosaccharides in a polysaccharide

Description : Which of the following biomolecules does have a phosphodiester bond? (a) Amino acids in a polypeptide (b) Nucleic acids in a nucleotide (c) Fatty acids in a diglyceride (d) Monosaccharides in a polysaccharide

Last Answer : b) Nucleic acids in a nucleotide

DNA is (A) Usually present in tissues as a nucleo protein and cannot be separated from its protein component (B) A long chain polymer in which the internucleotide linkages are of the diester type between C-3’ and C-5’ (C) Different from RNA since in the latter the internucleotide linkages are between C-2’ and C-5’ (D) Hydrolyzed by weal alkali (pH9 to 100°C)

Description : DNA is (A) Usually present in tissues as a nucleo protein and cannot be separated from its protein component (B) A long chain polymer in which the internucleotide linkages are of the diester type between C-3 ... linkages are between C-2' and C-5' (D) Hydrolyzed by weal alkali (pH9 to 100°C)

Last Answer : Answer : B

What is the difference between a nucleotide and nucleoside? -Biology

Description : What is the difference between a nucleotide and nucleoside? -Biology

Last Answer : answer:

ATP is (a) nucleotide (b) nucleoside (c) nucleic acid (d) vitamin.

Description : ATP is (a) nucleotide (b) nucleoside (c) nucleic acid (d) vitamin.

Last Answer : (a) nucleotide

Adenine is (a) purine (b) pyrimidine (c) nucleoside (d) nucleotide.

Description : Adenine is (a) purine (b) pyrimidine (c) nucleoside (d) nucleotide.

Last Answer : (a) purine

The given diagrammatic OH OH HOCH O 2 “X” representation shows one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component “X” in it. Category Component (a) Cholesterol Guanine (b) Amino acid NH2 (c) Nucleotide Adenine (d) Nucleoside Uracil

Description : The given diagrammatic OH OH HOCH O 2 X representation shows one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one ... Component (a) Cholesterol Guanine (b) Amino acid NH2 (c) Nucleotide Adenine (d) Nucleoside Uracil

Last Answer : (d) Nucleoside Uracil

Uridine, present only in RNA is a (a) nucleoside (b) nucleotide (c) purine (d) pyrimidine.

Description : Uridine, present only in RNA is a (a) nucleoside (b) nucleotide (c) purine (d) pyrimidine.

Last Answer : a) nucleoside

Differentiate nucleotide and nucleoside.

Description : Differentiate nucleotide and nucleoside.  

Last Answer : Ans: A nucleotide is unit of nucleic acid consisting of a nitrogen base, phosphate and a pentose sugar. A nucleoside is nucleotide without phosphate.

The carbon of the pentose in ester linkage with the phosphate in a nucleotide structure is (A) C1 (B) C3 (C) C4 (D) C5

Description : The carbon of the pentose in ester linkage with the phosphate in a nucleotide structure is (A) C1 (B) C3 (C) C4 (D) C5

Last Answer : Answer : D

Pentose sugar present in DNA is. -Biology

Description : Pentose sugar present in DNA is. -Biology

Last Answer : answer:

The sugar present in DNA is – (1) Pentose (2) Xylulose (3) Hexose (4) Heptulose

Description : The sugar present in DNA is – (1) Pentose (2) Xylulose (3) Hexose (4) Heptulose

Last Answer : ( 1) Pentose Explanation: The sugar present in DNA is 2- deoxyribose, which is a pentose

DNA contains - (1) Pentose sugar (2) Hexose sugar (3) Erythrose sugar (4) Sedoheptulose sugar

Description : DNA contains - (1) Pentose sugar (2) Hexose sugar (3) Erythrose sugar (4) Sedoheptulose sugar

Last Answer : (1) Pentose sugar Explanation: Deoxyribonucleic Acid contains Pentose sugar.

DNA contains (1) Pentose sugar (2) Hexose sugar (3) Erythrose sugar (4) Sedoheptulose sugar

Description : DNA contains (1) Pentose sugar (2) Hexose sugar (3) Erythrose sugar (4) Sedoheptulose sugar

Last Answer : Pentose sugar

The sugar present in DNA is (1) Pentose (2) Xylulose (3) Hexose (4) Heptulose

Description : The sugar present in DNA is (1) Pentose (2) Xylulose (3) Hexose (4) Heptulose

Last Answer : Pentose

mRNA is complementary to the nucleotide sequence of (A) Coding strand (B) Ribosomal RNA (C) tRNA (D) Template strand

Description : mRNA is complementary to the nucleotide sequence of (A) Coding strand (B) Ribosomal RNA (C) tRNA (D) Template strand

Last Answer : Answer : A

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

Description : 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

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