If in a nucleic acid there are more than 8000 nucleotides it is most likely (A) RNA (B) DNA (C) Both (A) and (B) (D) None of these

If in a nucleic acid there are more than 8000 nucleotides it is most likely (A) RNA (B) DNA (C) Both (A) and (B) (D) None of these
by

1 Answer

Answer :

Answer :  B
by
selected

Related questions

Which of the following statements about nucleic acid is most correct? (A) Both pentose nucleic acid and deoxypentose nucleic acid contain the same pyrimidines (B) Both pentose nucleic acid and deoxypentose nucleic acid and deoxypentose nucleic acid Contain the same purines (C) RNA contains cytosine and thymine (D) DNA and RNA are hydrolysed by weak alkali

Description : Which of the following statements about nucleic acid is most correct? (A) Both pentose nucleic acid and deoxypentose nucleic acid contain the same pyrimidines (B) Both pentose nucleic acid and deoxypentose ... (C) RNA contains cytosine and thymine (D) DNA and RNA are hydrolysed by weak alkali

Last Answer : Answer : B

Orcinol method is employed in the quantitation of (A) Nucleic acid (B) DNA (C) RNA (D) Proteins

Description : Orcinol method is employed in the quantitation of (A) Nucleic acid (B) DNA (C) RNA (D) Proteins

Last Answer : Answer : C

Diphenylamine method is employed in the quantitation of (A) Nucleic acid (B) RNA (C) DNA (D) Proteins

Description : Diphenylamine method is employed in the quantitation of (A) Nucleic acid (B) RNA (C) DNA (D) Proteins

Last Answer : Answer : C

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

The normal function of restriction endonucleases is to (A) Excise introns from hrRNA (B) Polymerize nucleotides to form RNA (C) Remove primer from okazaki fragments (D) Protect bacteria from foreign DNA

Description : The normal function of restriction endonucleases is to (A) Excise introns from hrRNA (B) Polymerize nucleotides to form RNA (C) Remove primer from okazaki fragments (D) Protect bacteria from foreign DNA

Last Answer : Answer : D

Which one of the following statements about viruses is correct? (a) Viruses possess their own metabolic system. (b) All viruses contain both RNA and DNA. (c) Viruses are obligate parasites. (d) Nucleic acid of viruses is known as capsid.

Description : Which one of the following statements about viruses is correct? (a) Viruses possess their own metabolic system. (b) All viruses contain both RNA and DNA. (c) Viruses are obligate parasites. (d) Nucleic acid of viruses is known as capsid.

Last Answer : (c) Viruses are obligate parasites.

True statements about the nucleic acid include: a. contains purine and pyrimidine which are bound together by covalent bonds b. there is always an equal concentration of purine and pyrimidine c. in RNA, thymine is replaced by uracil d. introns is more common than exons on the DNA e. the histones mark the excision site

Description : True statements about the nucleic acid include: a. contains purine and pyrimidine which are bound together by covalent bonds b. there is always an equal concentration of purine and pyrimidine c. in RNA, ... d. introns is more common than exons on the DNA e. the histones mark the excision site

Last Answer : there is always an equal concentration of purine and pyrimidine

Nucleotides required for the synthesis of nucleic acids can be obtained from (A) Dietary nucleic acids and nucleotides (B) De novo synthesis (C) Salvage of pre-existing bases and nucleosides (D) De novo synthesis and salvage

Description : Nucleotides required for the synthesis of nucleic acids can be obtained from (A) Dietary nucleic acids and nucleotides (B) De novo synthesis (C) Salvage of pre-existing bases and nucleosides (D) De novo synthesis and salvage

Last Answer : Answer : D

Nucleotides and nucleic acids concentration are often also expressed in terms of (A) ng (B) mg (C) meq (D) OD at 260 nm

Description : Nucleotides and nucleic acids concentration are often also expressed in terms of (A) ng (B) mg (C) meq (D) OD at 260 nm

Last Answer : Answer : D

Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Description : Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Last Answer : (b) both have similar pyrimidine

Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Description : Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Last Answer : both are polymer of nucleotides

Which one of the following pairs is mismatched? a. Protein - amino acids b. Nucleic acid - nucleotides c. Fats - glycogen d. Starch - glucose

Description : Which one of the following pairs is mismatched? a. Protein - amino acids b. Nucleic acid - nucleotides c. Fats - glycogen d. Starch - glucose

Last Answer : c. Fats - glycogen

The size of small stable RNA ranges from (A) 0–40 nucleotides (B) 40–80 nucleotides (C) 90–300 nucleotides (D) More than 320 nucleotides

Description : The size of small stable RNA ranges from (A) 0–40 nucleotides (B) 40–80 nucleotides (C) 90–300 nucleotides (D) More than 320 nucleotides

Last Answer : Answer : C

Some viruses have RNA but no DNA. This would indicate that – (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Description : Some viruses have RNA but no DNA. This would indicate that – (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Last Answer : (2) these viruses have no heritable information Explanation: DNA is an informational molecule encoding the genetic instructions Along with RNA and proteins, it is one of the three major macromolecules that are ... guanine, adenine, thymine, and cytosine) recorded using the letters G, A, T, and C.

Which of the following is not a natural polymer? (A) Nucleic acids e.g. RNA and DNA (B) Polysaccharides (C) Polyisoprene (D) Polyurethane

Description : Which of the following is not a natural polymer? (A) Nucleic acids e.g. RNA and DNA (B) Polysaccharides (C) Polyisoprene (D) Polyurethane

Last Answer : (D) Polyurethane

Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.

Description : Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.

Last Answer : (d) free ribosomes and RER.

Which is wrong about nucleic acids? (a) DNA is single stranded in some viruses. (b) RNA is double stranded occasionally. (c) Length of one helix is 45 Å in B-DNA. (d) One turn of Z-DNA has 12 bases

Description : Which is wrong about nucleic acids? (a) DNA is single stranded in some viruses. (b) RNA is double stranded occasionally. (c) Length of one helix is 45 Å in B-DNA. (d) One turn of Z-DNA has 12 bases

Last Answer : (c) Length of one helix is 45 Å in B-DNA

Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER

Description : Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER

Last Answer : (4) Free ribosomes and RER

Some viruses have RNA but no DNA. This would indicate that– (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Description : Some viruses have RNA but no DNA. This would indicate that– (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Last Answer : these viruses have no heritable information

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.

Phosphorous is an essential component of a. Nucleotides b. Nucleic acids c. Phospholipids and Heichoic acids d. All the above

Description : Phosphorous is an essential component of a. Nucleotides b. Nucleic acids c. Phospholipids and Heichoic acids d. All the above

Last Answer : Ans: D

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.

Description : 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.

Last Answer : (a) base-sugar-phosphate

The nucleic acid base found in mRNA but not in DNA is (A) Adenine (B) Cytosine (C) Guanine (D) Uracil

Description : The nucleic acid base found in mRNA but not in DNA is (A) Adenine (B) Cytosine (C) Guanine (D) Uracil

Last Answer : Answer : D

Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.

Description : Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.

Last Answer : Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid. A. ... is wrong D. If both As and R are wrong.

The most likely lethal mutation is (A) Substitution of adenine for cytosine (B) Insertion of one nucleotide (C) Deletion of three nucleotides (D) Substitution of cytosine for guanine

Description : The most likely lethal mutation is (A) Substitution of adenine for cytosine (B) Insertion of one nucleotide (C) Deletion of three nucleotides (D) Substitution of cytosine for guanine

Last Answer : Answer : B

All following are naturally occurring nucleotides except (A) Cyclic AMP (B) ATP (C) DNA (D) Inosine monophosphate

Description : All following are naturally occurring nucleotides except (A) Cyclic AMP (B) ATP (C) DNA (D) Inosine monophosphate

Last Answer : Answer : C

Four nucleotides of RNA. -Biology

Description : Four nucleotides of RNA. -Biology

Last Answer : answer:

Which one of the following statements is not true of RNA? a. RNA contains the monosaccharide ribose. b. RNA is primarily a single-stranded molecule. c. RNA has a sugar-phosphate backbone. d. RNA contains five different nucleotides.

Description : Which one of the following statements is not true of RNA? a. RNA contains the monosaccharide ribose. b. RNA is primarily a single-stranded molecule. c. RNA has a sugar-phosphate backbone. d. RNA contains five different nucleotides.

Last Answer : d. RNA contains five different nucleotides.

RNA is composed of strands of nucleotides that are read as a 3 nucleotide codon. These are distinguished by tRNAs that match the codons on one end and carry individual building blocks of a protein chain. What are these building blocks of protein that tRNAs bind?

Description : RNA is composed of strands of nucleotides that are read as a 3 nucleotide codon. These are distinguished by tRNAs that match the codons on one end and carry individual building blocks of a protein chain. What are these building blocks of protein that tRNAs bind?

Last Answer : Amino Acids

$ Proteins, polysaccharides and nucleic acid are the macromolecules of a cell. ! DNA contains Ribose Sugar.

Description : $ Proteins, polysaccharides and nucleic acid are the macromolecules of a cell. ! DNA contains Ribose Sugar.

Last Answer : $ Proteins, polysaccharides and nucleic acid are the macromolecules of a cell. ! DNA contains Ribose Sugar. A ... wrong D. If both As and R are wrong.

What is the full form of DNA? (1) Diribo nucleic acid (2) Di nucleic acid (3) Dual nitrogen acid (4) Deoxyribonucleic acid

Description : What is the full form of DNA? (1) Diribo nucleic acid (2) Di nucleic acid (3) Dual nitrogen acid (4) Deoxyribonucleic acid

Last Answer : (4) Deoxyribonucleic acid Explanation: DNA stands for Deoxyribo nucleic acid. It is a nucleic acid that carries the genetic instructions used in the growth development, functioning and reproduction of all known living organisms and many viruses.

DNA stands for: a) Deoxyribonucleic Acid b) Deep Nuclear Acid c) Dependant Nucleic Attributes d) Dem New Adidas

Description : DNA stands for: a) Deoxyribonucleic Acid b) Deep Nuclear Acid c) Dependant Nucleic Attributes d) Dem New Adidas

Last Answer : a) Deoxyribonucleic Acid

All of the following occur in orotic aciduria except (A) Increased synthesis of pyrimidine nucleotides (B) Increased excretion of orotic acid in urine (C) Decreased synthesis of cytidine triphosphate (D) Retardation of growth

Description : All of the following occur in orotic aciduria except (A) Increased synthesis of pyrimidine nucleotides (B) Increased excretion of orotic acid in urine (C) Decreased synthesis of cytidine triphosphate (D) Retardation of growth

Last Answer : Answer : A

In inherited deficiency of hypoxanthine guanine phosphoribosyl transferase (A) De novo synthesis of purine nucleotides is decreased (B) Salvage of purines is decreased (C) Salvage of purines is increased (D) Synthesis of uric acid is decreased

Description : In inherited deficiency of hypoxanthine guanine phosphoribosyl transferase (A) De novo synthesis of purine nucleotides is decreased (B) Salvage of purines is decreased (C) Salvage of purines is increased (D) Synthesis of uric acid is decreased

Last Answer : Answer : B

During de novo synthesis of pyrimidine nucleotides, the first ring compound to be formed is (A) Carbamoyl aspartic acid (B) Dihydro-orotic acid (C) Orotic acid (D) Orotidine monophosphate

Description : During de novo synthesis of pyrimidine nucleotides, the first ring compound to be formed is (A) Carbamoyl aspartic acid (B) Dihydro-orotic acid (C) Orotic acid (D) Orotidine monophosphate

Last Answer : Answer : B

What is the term used for a segment of DNA with one or more genes in the centre and the twoends carrying inverte d repeat sequences of nucleotides? A- Plasmid B- Transposon C- Insertion sequence D- None of these

Description : What is the term used for a segment of DNA with one or more genes in the centre and the twoends carrying inverte d repeat sequences of nucleotides? A- Plasmid B- Transposon C- Insertion sequence D- None of these

Last Answer : Transposon

Genetic information in human beings is stored in (A) RNA (B) DNA (C) Both (A) and (B) (D) mRNA

Description : Genetic information in human beings is stored in (A) RNA (B) DNA (C) Both (A) and (B) (D) mRNA

Last Answer : Answer : B

Genetic information in human beings is stored in (A) DNA (B) RNA (C) Both (A) and (B) (D) None of these

Description : Genetic information in human beings is stored in (A) DNA (B) RNA (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

The only correct statement about oncoviruses is (A) All the oncoviruses are RNA viruses (B) Reverse transcriptase is present in all oncoviruses (C) Viral oncogenes are identical to human protooncogens (D) Both DNA and RNA viruses can be oncoviruses

Description : The only correct statement about oncoviruses is (A) All the oncoviruses are RNA viruses (B) Reverse transcriptase is present in all oncoviruses (C) Viral oncogenes are identical to human protooncogens (D) Both DNA and RNA viruses can be oncoviruses

Last Answer : Answer : D

DNA-dependent RNA polymerase requires the following for its catalytic activity: (A) Mg++ (B) Mn++ (C) Both (A) and (B) (D) None of these

Description : DNA-dependent RNA polymerase requires the following for its catalytic activity: (A) Mg++ (B) Mn++ (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

List the four nucleotides of DNA. -Biology

Description : List the four nucleotides of DNA. -Biology

Last Answer : answer:

Bonds that link the nucleotides along a DNA strand. -Biology

Description : Bonds that link the nucleotides along a DNA strand. -Biology

Last Answer : answer:

Why is the order of DNA nucleotides important?

Description : Why is the order of DNA nucleotides important?

Last Answer : This is very good question! I will talk about the nucleotidesequence in human being only. I will try to answer the question,which may be edited further. Three nucleotides denote the aminoacids. There ... the body is not exactly known tome. That is probably to recognize the self and non-selfprotein.

What rule is use to join the free nucleotides to the exposed bases of the DNA?

Description : What rule is use to join the free nucleotides to the exposed bases of the DNA?

Last Answer : watson-base pairing

What rule is use to join the free nucleotides to the exposed bases of the DNA?

Description : What rule is use to join the free nucleotides to the exposed bases of the DNA?

Last Answer : watson-base pairing

DNA nucleotides are attached by (a) Hydrogen bonds (b) Covalent bonds (c) VANDER Wall's force (d) Electrovalent bonds

Description : DNA nucleotides are attached by (a) Hydrogen bonds (b) Covalent bonds (c) VANDER Wall's force (d) Electrovalent bonds

Last Answer : Ans:(b)

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

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′

Which one of the following statements about the particular entity is true ? (a) Centromere is found in animal cells, which produces aster during cell division. (b) The gene for producing insulin is present in every body cell. (c) Nucleosome is formed of nucleotides. (d) DNA consists of core of eight histones.

Description : Which one of the following statements about the particular entity is true ? (a) Centromere is found in animal cells, which produces aster during cell division. (b) The gene for producing insulin is ... cell. (c) Nucleosome is formed of nucleotides. (d) DNA consists of core of eight histones.

Last Answer : (b) The gene for producing insulin is present in every body cell.

A segment of DNA has 120 adenine and 120 cytosine bases. The total number of nucleotides present in the segment is (a) 120 (b) 240 (c) 60 (d) 480.

Description : A segment of DNA has 120 adenine and 120 cytosine bases. The total number of nucleotides present in the segment is (a) 120 (b) 240 (c) 60 (d) 480.

Last Answer : (d) 480.