What type of mutation remove a thymine base?

What type of mutation remove a thymine base?
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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

What type of mutation removes a thymine from DNA?

Description : What type of mutation removes a thymine from DNA?

Last Answer : Feel Free to Answer

Complementary base pair for thymine. -Biology

Description : Complementary base pair for thymine. -Biology

Last Answer : answer:

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

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

A nitrogenous base that does not occur in mRNA is (A) Cytosine (B) Thymine (C) Uracil (D) All of these

Description : A nitrogenous base that does not occur in mRNA is (A) Cytosine (B) Thymine (C) Uracil (D) All of these

Last Answer : Answer : A

The nitrogenous base present in the RNA molecule is (A) Thymine (B) Uracil (C) Xanthine (D) Hypoxanthine

Description : The nitrogenous base present in the RNA molecule is (A) Thymine (B) Uracil (C) Xanthine (D) Hypoxanthine

Last Answer : Answer : B

Thymine is (A) Water soluble vitamin (B) Fat soluble vitamin (C) Purine base (D) Pyrimidine base

Description : Thymine is (A) Water soluble vitamin (B) Fat soluble vitamin (C) Purine base (D) Pyrimidine base

Last Answer : Answer : D

The hydrophilic nature of DNA is due to the presence of – (1) thymine base (2) Biotic resources (3) phosphate group (4) deoxyribose sugar

Description : The hydrophilic nature of DNA is due to the presence of – (1) thymine base (2) Biotic resources (3) phosphate group (4) deoxyribose sugar

Last Answer : (2) Biotic resources Explanation: The phosphate groups on DNA are ionic and charged. Each phosphategroup on the DNA back-bone is one unit of negative charge (-1). Charged molecules ... DNA has two hydrophilic polar external backbones made of sugars and phosphate groups joined by ester bonds.

The hydrophilic nature of DNA is due to the presence of - (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Description : The hydrophilic nature of DNA is due to the presence of - (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Last Answer : (2) a number of hydrogen bonds Explanation: The phosphate groups on DNA are ionic and charged. Each phosphate group on the DNA back-bone is one unit of negative charge (-1). Charged ... . DNA has two hydrophilic polar external backbones made of sugars and phosphate groups joined by ester bonds.

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.

Which purine base is found in RNA? (a) Thymine (b) Uracil (c) Cytosine (d) Guanine

Description : Which purine base is found in RNA? (a) Thymine (b) Uracil (c) Cytosine (d) Guanine

Last Answer : (d) Guanine

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.

The hydrophilic nature of DNA is due to the presence of : (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Description : The hydrophilic nature of DNA is due to the presence of : (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Last Answer : a number of hydrogen bonds

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

A part of an mrna has the base sequence gca. which change to this sequence would indicate a missense mutation?

Description : A part of an mrna has the base sequence gca. which change to this sequence would indicate a missense mutation?

Last Answer : A missense mutation is the change in a single nucleotide that results in a different amino acid being coded for. GCA codes for the amino acid Alanine. Therefore any of the following changes would be missense ... acid GUA -> Valine GGA -> Glycine CCA -> Proline UCA -> Serine ACA -> Threonine

If the codon UAC on mRNA changes into UAG as a result of a base substitution in DNA, it will result in (A) Silent mutation (B) Acceptable mis-sense mutation (C) Nonsense mutation (D) Frameshift mutation

Description : If the codon UAC on mRNA changes into UAG as a result of a base substitution in DNA, it will result in (A) Silent mutation (B) Acceptable mis-sense mutation (C) Nonsense mutation (D) Frameshift mutation

Last Answer : Answer : C

A silent mutation is most likely to result from (A) Substitution of the first base of a codon (B) Substitution of the third base of a codon (C) Conversion of a nonsense codon into a sense codon (D) Conversion of a sense codon into a nonsense codon

Description : A silent mutation is most likely to result from (A) Substitution of the first base of a codon (B) Substitution of the third base of a codon (C) Conversion of a nonsense codon into a sense codon (D) Conversion of a sense codon into a nonsense codon

Last Answer : Answer : B

Substitution of a base can result in a (A) Silent mutation (B) Mis-sense mutation (C) Nonsense mutation(D) All of these

Description : Substitution of a base can result in a (A) Silent mutation (B) Mis-sense mutation (C) Nonsense mutation(D) All of these

Last Answer : Answer : D

A point mutation results from (A) Substitution of a base (B) Insertion of a base (C) Deletion of a base (D) All of these

Description : A point mutation results from (A) Substitution of a base (B) Insertion of a base (C) Deletion of a base (D) All of these

Last Answer : Answer : A

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

Which of the following statements concerning abnormalities of the haemoglobin molecule is true? 1) Alpha thalassaemia is due to a deficiency of beta-chain production 2) HbS is caused by a single base mutation on the beta-chain 3) genes for the alpha and beta chains are located on the same chromosome 4) in thalassaemia persistance of HbF is an adverse prognostic sign 5) oliguneoclitide probes may assist in the diagnosis of haemoglobinopathies

Description : Which of the following statements concerning abnormalities of the haemoglobin molecule is true? 1) Alpha thalassaemia is due to a deficiency of beta-chain production 2) HbS is caused by a ... is an adverse prognostic sign 5) oliguneoclitide probes may assist in the diagnosis of haemoglobinopathies

Last Answer : Answers-2 Alpha Thalassaemia is due to abnormalities of the alpha chain. Persistence of HbF has survival advnatages in severely affected subjects. C-alpha 16, beta 11. e-Hb electrophoresis(Dr Shu Ho)

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

.If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Description : .If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Last Answer : (a) CAT GAT GAT G

.If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Description : .If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Last Answer : (a) CAT GAT GAT G

Which of the statements give below is correct with respect to frameshift mutation a) a single nucleotide base change, insertion, or deletion of the genetic material b) Glutamine is replaced by valine c) Sickle cell anemia is an example d) insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

Description : Which of the statements give below is correct with respect to frameshift mutation a) a single nucleotide base change, insertion, or deletion of the genetic material b) Glutamine is replaced by valine c) ... or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

Last Answer : d) insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

One of the fault base testing techniques is (A) unit testing. (B) beta testing. (C) Stress testing. (D) mutation testing.

Description : One of the fault base testing techniques is (A) unit testing. (B) beta testing. (C) Stress testing. (D) mutation testing.

Last Answer : (D) mutation testing.

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%`

How many rings make up thymine?

Description : How many rings make up thymine?

Last Answer : Feel Free to Answer

What are adenine guanine cytosine and thymine?

Description : What are adenine guanine cytosine and thymine?

Last Answer : Cytosine thymine guanine and adenine are the nitrogenous bases found in the nucleotides that form DNA.DNA is made up of 3 parts:(1)Phosphate group(2)Deoxyribose(3)Nitrogen containing base.Complimentary ... of adenine->thymine Guanin -> cytosine and visa/versa. In RNA thymine is replaced with uracil

What are adenine guanine cytosine and thymine?

Description : What are adenine guanine cytosine and thymine?

Last Answer : Cytosine thymine guanine and adenine are the nitrogenous bases found in the nucleotides that form DNA.DNA is made up of 3 parts:(1)Phosphate group(2)Deoxyribose(3)Nitrogen containing base.Complimentary ... of adenine->thymine Guanin -> cytosine and visa/versa. In RNA thymine is replaced with uracil

Sulphur is not present in (A) Thiamine (B) Lipic acid (C) Thymine (D) Biotin

Description : Sulphur is not present in (A) Thiamine (B) Lipic acid (C) Thymine (D) Biotin

Last Answer : Answer : C

Which one of the following is not a constituent of RNA? (A) Deoxyribose (B) Uracil (C) Adenine (D) Thymine

Description : Which one of the following is not a constituent of RNA? (A) Deoxyribose (B) Uracil (C) Adenine (D) Thymine

Last Answer : Answer : A

In RNA, apart from ribose and phosphate, all following are present except (A) Adenine (B) Guanine (C) Thymine (D) Cytosine

Description : In RNA, apart from ribose and phosphate, all following are present except (A) Adenine (B) Guanine (C) Thymine (D) Cytosine

Last Answer : Answer : C

Whcih of the following compound is present in RNA but absent from DNA? (A) Thymine (B) Cytosine (C) Uracil (D) Guanine

Description : Whcih of the following compound is present in RNA but absent from DNA? (A) Thymine (B) Cytosine (C) Uracil (D) Guanine

Last Answer : Answer : C

Acid hydrolysis of ribonucleic acid would yield the following major products: (A) d- deoxyribose, cytosine, adenine (B) d-ribose, thymine, Guanine (C) d-ribose, cytosine, uracil, thymine (D) d-ribose, uracil, adenine, guanine, cytosine

Description : Acid hydrolysis of ribonucleic acid would yield the following major products: (A) d- deoxyribose, cytosine, adenine (B) d-ribose, thymine, Guanine (C) d-ribose, cytosine, uracil, thymine (D) d-ribose, uracil, adenine, guanine, cytosine

Last Answer : Answer : D

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

Hybridoma cells are selected by culturing them in a medium containing (A) Adenine, guanine, cytosine and thymine (B) Adenine, guanine, cytosine and uracil (C) Hypoxanthine, aminopterin and thymine (D) Hypoxanthine, aminopterin and thymidine

Description : Hybridoma cells are selected by culturing them in a medium containing (A) Adenine, guanine, cytosine and thymine (B) Adenine, guanine, cytosine and uracil (C) Hypoxanthine, aminopterin and thymine (D) Hypoxanthine, aminopterin and thymidine

Last Answer : Answer : D

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

β -Alanine is formed from catabolism of (A) Thymine (B) Thymine and cytosine (C) Thymine and uracil (D) Cytosine and uracil

Description : β -Alanine is formed from catabolism of (A) Thymine (B) Thymine and cytosine (C) Thymine and uracil (D) Cytosine and uracil

Last Answer : Answer : D

Free ammonia is liberated during the catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) All of these

Description : Free ammonia is liberated during the catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) All of these

Last Answer : Answer : D

β -Aminoisobytyrate is formed from catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) Xanthine

Description : β -Aminoisobytyrate is formed from catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) Xanthine

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 thymine concentration is 30%, the guanosine concentration will be (A) 10% (B) 20% (C) 30% (D) 40%

Description : In a DNA molecule the thymine concentration is 30%, the guanosine concentration will be (A) 10% (B) 20% (C) 30% (D) 40%

Last Answer : Answer : B

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