In researching the structure of DNA Erwin Char gaff found the amount of adenine always equaled the amount of which other base?

In researching the structure of DNA Erwin Char gaff found the amount of adenine always equaled the amount of which other base?
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1 Answer

Answer :

Thymine. Discovered in the late 1940s, this is known as "The Chargaff's Rules": DNA has equal numbers of adenine and thymine residues (A = T) and an equal number of guanine and cytosine (G = C). This was one of the most important features for Watson and Crick to solve the structure of DNA molecule in 1953.
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Related questions

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′

DNA mRNA C Proposed by Protein A B The figure gives an important concept in the genetic implication of DNA. Fill the blanks A, B and C. (a) A-Maurice Wilkins, B-Transcription, C-Translation (b) A-James Watson, B-Replication, C-Extension (c) A-Erwin Chargaff, B-Translation, C-Replication (d) A-Francis Crick, B-Translation, C-Transcription

Description : DNA mRNA C Proposed by Protein A B The figure gives an important concept in the genetic implication of DNA. Fill the blanks A, B and C. (a) A-Maurice Wilkins, B-Transcription, C-Translation ... c) A-Erwin Chargaff, B-Translation, C-Replication (d) A-Francis Crick, B-Translation, C-Transcription

Last Answer : (d) A-Francis Crick, B-Translation, C-Transcription

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

Substitution of a thymine base by adenine in DNA is known as ((A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Description : Substitution of a thymine base by adenine in DNA is known as ((A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Last Answer : Answer : C

Substitution of an adenine base by guanine in DNA is known as (A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Description : Substitution of an adenine base by guanine in DNA is known as (A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Last Answer : Answer : B

In DNA, the complementary base of adenine is (A) Guanine (B) Cytosine (C) Uracil (D) Thymine

Description : In DNA, the complementary base of adenine is (A) Guanine (B) Cytosine (C) Uracil (D) Thymine

Last Answer : Answer : D

Which of the following nitrogen base is not present in DNA? a. Thymine. b. Cytosine. c. Adenine. d. Uracil.

Description : Which of the following nitrogen base is not present in DNA? a. Thymine. b. Cytosine. c. Adenine. d. Uracil.

Last Answer : d. Uracil.

Which of the following is NOT a base in DNA? w) uracil x) guanine y) adenine z) cytosine

Description : Which of the following is NOT a base in DNA? w) uracil x) guanine y) adenine z) cytosine

Last Answer : ANSWER: W -- URACIL

The structure of DNA is a double helix formed by two strands of DNA sequence. This sequence consists of 4 different nucleotides- Adenine, Thymine, Cytosine and Guanine. How do the nucleotides on one strand interact with the nucleotides on the second strand to maintain the helical shape of DNA?

Description : The structure of DNA is a double helix formed by two strands of DNA sequence. This sequence consists of 4 different nucleotides- Adenine, Thymine, Cytosine and Guanine. How do the nucleotides on one strand interact with the nucleotides on the second strand to maintain the helical shape of DNA?

Last Answer : Complementary Base Pairing. Adenine complementary base pairs with Thymine and Guanine complementary base pairs with Cytosine.

If the total amount of adenine and thymine in a double stranded DNA is 45% the amount of guanine this DNA will be `:`

Description : If the total amount of adenine and thymine in a double stranded DNA is 45% the amount of guanine this DNA will be `:`

Last Answer : If the total amount of adenine and thymine in a double stranded DNA is 45% the amount of guanine this DNA will be ` ... ` B. `27.5%` C. `45%` D. `55%`

Purines found both in DNA and RNA are (a) cytosine and thymine (b) adenine and thymine (c) adenine and guanine (d) guanine and cytosine.

Description : Purines found both in DNA and RNA are (a) cytosine and thymine (b) adenine and thymine (c) adenine and guanine (d) guanine and cytosine.

Last Answer : (c) adenine and guanine

What is the output of the following program ? (Assume that the appropriate pre-processor directives are included and there is no syntax error) main() { char S[ ] = "ABCDEFGH"; printf ("%C",* (& S[3])); printf ("%s", S+4); printf ("%u", S); /* Base address of S is 1000 */ } (A) ABCDEFGH1000 (B) CDEFGH1000 (C) DDEFGHH1000 (D) DEFGH1000

Description : What is the output of the following program ? (Assume that the appropriate pre-processor directives are included and there is no syntax error) main() { char S[ ] = "ABCDEFGH"; printf ("%C",* (& ... Base address of S is 1000 */ } (A) ABCDEFGH1000 (B) CDEFGH1000 (C) DDEFGHH1000 (D) DEFGH1000

Last Answer : (D) DEFGH1000

If an integer occupies 4 bytes and a character occupies 1 byte of memory, each element of the following structure would occupy how many bytes ? struct name { int age; char name[30]; }; A) 30 B) 32 C) 34 D) 36

Description : If an integer occupies 4 bytes and a character occupies 1 byte of memory, each element of the following structure would occupy how many bytes ? struct name { int age; char name[30]; }; A) 30 B) 32 C) 34 D) 36

Last Answer : C) 34

Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. (A) 1 (B) 20 (C) 100 (D) 500

Description : Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. (A) 1 (B) 20 (C) 100 (D) 500

Last Answer : (B) 20

In RNA, the complementary base of adenine is (A) Cytosine (B) Guanine (C) Thymine (D) Uracil

Description : In RNA, the complementary base of adenine is (A) Cytosine (B) Guanine (C) Thymine (D) Uracil

Last Answer : Answer : D

The complementary base of adenine in RNA is (A) Thymine (B) Cystosine (C) Guanine (D) Uracil

Description : The complementary base of adenine in RNA is (A) Thymine (B) Cystosine (C) Guanine (D) Uracil

Last Answer : Answer : D

Coenzyme A contains a nitrogenous base which is (A) Adenine (B) Guanine (C) Choline (D) Ethanolamine

Description : Coenzyme A contains a nitrogenous base which is (A) Adenine (B) Guanine (C) Choline (D) Ethanolamine

Last Answer : Answer : A

Which base in place of thymine is present in RNA? (1) Adenine (2) Guanine (3) Uracil (4) Cytosine

Description : Which base in place of thymine is present in RNA? (1) Adenine (2) Guanine (3) Uracil (4) Cytosine

Last Answer : (3) Uracil Explanation: DNA (Deoxyribonucleic acid) contains 2-cleoxy-ribose sugar. It contains cytosine and thymine as pyrimidine bases and guanine and adenine as purine bases. RNA (Ribonucleic ... sugar. It contains cytosine and uracil as pyrimidine bases and guanine and adenine as purine bases.

What base is responsible for hot spots for spontaneous point mutations? (a) 5-bromouracil (b) 5-methylcytosine (c) Guanine (d) Adenine

Description : What base is responsible for hot spots for spontaneous point mutations? (a) 5-bromouracil (b) 5-methylcytosine (c) Guanine (d) Adenine

Last Answer : (d) Adenine

What base is responsible for hot spots for spontaneous point mutations? (a) 5-bromouracil (b) 5-methylcytosine (c) Guanine (d) Adenine

Description : What base is responsible for hot spots for spontaneous point mutations? (a) 5-bromouracil (b) 5-methylcytosine (c) Guanine (d) Adenine

Last Answer : Guanine

Coenzyme A contains a nitrogenous base which is (A) Adenine (B) Guanine (C) Choline (D) Ethanolamine

Description : Coenzyme A contains a nitrogenous base which is (A) Adenine (B) Guanine (C) Choline (D) Ethanolamine

Last Answer : (A) Adenine

Adenine binds to which base in an RNA molecule?

Description : Adenine binds to which base in an RNA molecule? 

Last Answer : ANSWER: URACIL 

Which base in place of thymine is present in RNA ? (1) Adenine (2) Guanine (3) Uracil (4) Cytosine

Description : Which base in place of thymine is present in RNA ? (1) Adenine (2) Guanine (3) Uracil (4) Cytosine

Last Answer : Uracil

What forensic scientist is trying to find out the number of adenine in the DNA sample that he obtained from a crime scene. What can he assume about the number of adenine?

Description : What forensic scientist is trying to find out the number of adenine in the DNA sample that he obtained from a crime scene. What can he assume about the number of adenine?

Last Answer : the number of adenine will be equal to the number of guanine

What forensic scientist is trying to find out the number of adenine in the DNA sample that he obtained from a crime scene. What can he assume about the number of adenine?

Description : What forensic scientist is trying to find out the number of adenine in the DNA sample that he obtained from a crime scene. What can he assume about the number of adenine?

Last Answer : the number of adenine will be equal to the number of guanine

Exposure of DNA to ultraviolet radiation can lead to the formation of (A) Adenine dimers (B) Guanine dimers (C) Thymine dimers (D) Uracil dimers

Description : Exposure of DNA to ultraviolet radiation can lead to the formation of (A) Adenine dimers (B) Guanine dimers (C) Thymine dimers (D) Uracil dimers

Last Answer : Answer : C

The number of hydrogen bonds between adenine and thymine in DNA is (A) One (B) Two (C) Three (D) Four

Description : The number of hydrogen bonds between adenine and thymine in DNA is (A) One (B) Two (C) Three (D) Four

Last Answer : Answer : B

The number of adenine and thymine bases is equal in (A) DNA (B) mRNA (C) tRNA (D) rRNA

Description : The number of adenine and thymine bases is equal in (A) DNA (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : A

In DNA, three hydrogen bonds are formed between (A) Adenine and guanine (B) Adenine and thymine (C) Guanine and cytosine (D) Thymine and cytosine

Description : In DNA, three hydrogen bonds are formed between (A) Adenine and guanine (B) Adenine and thymine (C) Guanine and cytosine (D) Thymine and cytosine

Last Answer : Answer : C

An increased melting temperature of duplex DNA results from a high content of (A) Adenine + Guanine (B) Thymine + Cytosine (C) Cytosine + Guanine (D) Cytosine + Adenine

Description : An increased melting temperature of duplex DNA results from a high content of (A) Adenine + Guanine (B) Thymine + Cytosine (C) Cytosine + Guanine (D) Cytosine + Adenine

Last Answer : Answer : C

IN a DNA molecule, the guanosine content is 40%, the adenine content will be (A) 10% (B) 20% (C) 30% (D) 40%

Description : IN a DNA molecule, the guanosine content is 40%, the adenine content will be (A) 10% (B) 20% (C) 30% (D) 40%

Last Answer : Answer : A

In DNA molecule (A) Guanine content does not equal cytosine content (B) Adenine content does not equal thymine content (C) Adenine content equals uracil content (D) Guanine content equals cytosine content

Description : In DNA molecule (A) Guanine content does not equal cytosine content (B) Adenine content does not equal thymine content (C) Adenine content equals uracil content (D) Guanine content equals cytosine content

Last Answer : Answer : D

DNA does not contain (A) Thymine (B) Adenine (C) Uracil (D) Deoxyribose

Description : DNA does not contain (A) Thymine (B) Adenine (C) Uracil (D) Deoxyribose

Last Answer : Answer : C

Which of the following statement(s) is/are true concerning DNA? a. DNA is contained only in the nucleus of the cell b. DNA strands are encoded by the sequence of four bases—adenine, guanine, cytosine and uridine c. The basic unit of information of DNA is the intron, a sequence of three bases d. There are an infinite number of possible codons

Description : Which of the following statement(s) is/are true concerning DNA? a. DNA is contained only in the nucleus of the cell b. DNA strands are encoded by the sequence of four bases-adenine, guanine, cytosine ... DNA is the intron, a sequence of three bases d. There are an infinite number of possible codons

Last Answer : Answer: a The genetic blueprint of an organism is carried in the nucleus of every cell, encoded by the sequence of four bases-adenine, guanine, cytosine and thymine, which together make up ... codons. Sixty-one of these code for amino acids and three are termination signals called stop codons

DNA molecules are composed of deoxyribonucleotides of (a) Adenine and guanine (b) Adenine, guanine and cytosine (c) Adenine, guanine, cytosine and thymine (d) None of the above

Description : DNA molecules are composed of deoxyribonucleotides of (a) Adenine and guanine (b) Adenine, guanine and cytosine (c) Adenine, guanine, cytosine and thymine (d) None of the above

Last Answer : Ans:(c)

DNA synthesis can be specifically measured by estimating the incorporation of radio-labelled (a) thymidine (b) deoxyribose sugar (c) uracil (d) adenine.

Description : DNA synthesis can be specifically measured by estimating the incorporation of radio-labelled (a) thymidine (b) deoxyribose sugar (c) uracil (d) adenine.

Last Answer : (c) uracil

With regard to DNA molecules: a. they contain adenine, cytosine, guanine and uracil bases b. they can be detected with Western blotting c. they can be detected with Southern blotting d. they are denatured at temperature of 1000C

Description : With regard to DNA molecules: a. they contain adenine, cytosine, guanine and uracil bases b. they can be detected with Western blotting c. they can be detected with Southern blotting d. they are denatured at temperature of 1000C

Last Answer : they can be detected with Southern blotting

Plants, protein, RNA, DNA contents are increased by a. Auxins b. Adenine c. Cytokinins d. None of above

Description : Plants, protein, RNA, DNA contents are increased by a. Auxins b. Adenine c. Cytokinins d. None of above

Last Answer : Cytokinins

DNA synthesis can be specifically measured by estimating the incorporation of radio-labelled (a) thymidine (b) deoxyribose sugar (c) uracil (d) adenine.

Description : DNA synthesis can be specifically measured by estimating the incorporation of radio-labelled (a) thymidine (b) deoxyribose sugar (c) uracil (d) adenine.

Last Answer : (a) thymidine

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.

Which one of the following structural formulae of two organic compounds is correctly identified along with its related function?(a) B : Adenine - A nucleotide that makes up nucleic acids (b) A : Triglyceride - Major source of energy (c) B : Uracil - A component of DNA (d) A : Lecithin - A component of cell membrane

Description : Which one of the following structural formulae of two organic compounds is correctly identified along with its related function? (a) B : Adenine - A nucleotide that makes up nucleic acids (b) A : Triglyceride - ... ) B : Uracil - A component of DNA (d) A : Lecithin - A component of cell membrane

Last Answer : (d) A : Lecithin - A component of cell membrane

Which two of the following four bases in DNA are purine bases? a) adenine b) thymine c) cytosine d) guanine

Description : Which two of the following four bases in DNA are purine bases? a) adenine b) thymine c) cytosine d) guanine

Last Answer : ANSWER: A and D -- ADENINE and GUANINE

Which two of the following four bases in DNA are pyrimidine (pron: pie-rim-eh-den) bases? a) cytosine b) thymine c) adenine d) guanine (pron: gwa - neen)

Description : Which two of the following four bases in DNA are pyrimidine (pron: pie-rim-eh-den) bases? a) cytosine b) thymine c) adenine d) guanine (pron: gwa - neen)

Last Answer : ANSWER: A and B -- CYTOSINE and THYMINE

Guanine is always paired with a. adenine b. cytosine c. thymine d. uracil

Description : Guanine is always paired with a. adenine b. cytosine c. thymine d. uracil

Last Answer : cytosine

Adenine is always paired with a. guanine b. cytosine c. thymine d. uracil

Description : Adenine is always paired with a. guanine b. cytosine c. thymine d. uracil

Last Answer : thymine

When researching old books had anyone ever discovered hilarious shenanigans that went on in a certain time period that was hidden but now discovered?

Description : When researching old books had anyone ever discovered hilarious shenanigans that went on in a certain time period that was hidden but now discovered?

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Description : Is anyone interested in researching information for posts?

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