In the genetic dictionary, there are 64 codons as (a) 64 amino acids are to be coded (b) 64 types of tRNAs are present (c) there are 44 nonsense codons and 20 sense codons (d) genetic code is triplet

In the genetic dictionary, there are 64 codons as
(a) 64 amino acids are to be coded
(b) 64 types of tRNAs are present
(c) there are 44 nonsense codons and 20 sense codons
(d) genetic code is triplet
by

1 Answer

Answer :

genetic code is triplet
by

Related questions

.In the genetic dictionary, there are 64 codons as (a) 64 amino acids are to be coded (b) 64 types of tRNAs are present (c) there are 44 nonsense codons and 20 sense codons (d) genetic code is triplet.

Description : .In the genetic dictionary, there are 64 codons as (a) 64 amino acids are to be coded (b) 64 types of tRNAs are present (c) there are 44 nonsense codons and 20 sense codons (d) genetic code is triplet.

Last Answer : (c) there are 44 nonsense codons and 20 sense codons

In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids? (a) 20 (b) 64 (c) 61 (d) 60

Description : In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids? (a) 20 (b) 64 (c) 61 (d) 60

Last Answer : b) 64

n the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids? (a) 20 (b) 64 (c) 61 (d) 60

Description : n the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids? (a) 20 (b) 64 (c) 61 (d) 60

Last Answer : c) 61

Out of 64 codons, 61 codons code for 20 types of amino acid. It is called (a) degeneracy of genetic code (b) overlapping of gene (c) wobbling of codon (d) universility of codons.

Description : Out of 64 codons, 61 codons code for 20 types of amino acid. It is called (a) degeneracy of genetic code (b) overlapping of gene (c) wobbling of codon (d) universility of codons.

Last Answer : (a) degeneracy of genetic code

All of the following statements about nonsense codons are true except (A) They do not code for amino acids (B) They act as chain termination signals (C) They are identical in nuclear and mitochondrial DNA (D) They have no complementary anticodons

Description : All of the following statements about nonsense codons are true except (A) They do not code for amino acids (B) They act as chain termination signals (C) They are identical in nuclear and mitochondrial DNA (D) They have no complementary anticodons

Last Answer : Answer : C

Number of of codons in a genetic triplet code is

Description : Number of of codons in a genetic triplet code is

Last Answer : Number of of codons in a genetic triplet code is A. 4 B. 16 C. 32 D. 64

Degeneracy of the genetic code denotes the existence of (A) Base triplets that do not code for any amino acids (B) Codons consisting of only two bases (C) Codons that include one or more of the unusual bases (D) Multiple codons for a single amino acid

Description : Degeneracy of the genetic code denotes the existence of (A) Base triplets that do not code for any amino acids (B) Codons consisting of only two bases (C) Codons that include one or more of the unusual bases (D) Multiple codons for a single amino acid

Last Answer : Answer : B

Genetic code is said to be degenerate because (A) It can undergo mutations (B) A large proportion of DNA is non-coding (C) One codon can code for more than one amino acids (D) More than one codons can code for the same amino acids

Description : Genetic code is said to be degenerate because (A) It can undergo mutations (B) A large proportion of DNA is non-coding (C) One codon can code for more than one amino acids (D) More than one codons can code for the same amino acids

Last Answer : Answer : D

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

Consider the following statements: The genetic code said to be degenerate and universal which means that, (1) Amino afids may have more than one codon (2) All amino acids have mo than one codon (3) Codons are common for higher and lower organism (4) Codons are not found in bacteria

Description : Consider the following statements: The genetic code said to be degenerate and universal which means that, (1) Amino afids may have more than one codon (2) All amino acids have mo than one codon (3) Codons are common for higher and lower organism (4) Codons are not found in bacteria

Last Answer : Ans. ((d))

Nonsense codons bring about (A) Amino acid activation (B) Initiation of protein synthesis (C) Termination of protein synthesis (D) Elongation of polypeptide chains

Description : Nonsense codons bring about (A) Amino acid activation (B) Initiation of protein synthesis (C) Termination of protein synthesis (D) Elongation of polypeptide chains

Last Answer : Answer : C

Ribosomes match up the ______ of the mRNA and the ______ of the tRNAs. a. codons; anticodons b. introns; exons c. anticodons; codons d. genes; anticodons

Description : Ribosomes match up the ______ of the mRNA and the ______ of the tRNAs. a. codons; anticodons b. introns; exons c. anticodons; codons d. genes; anticodons

Last Answer : a. codons; anticodons

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

Nonsense codons are present on (A) mRNA (B) tRNA (C) rRNA (D) None of these

Description : Nonsense codons are present on (A) mRNA (B) tRNA (C) rRNA (D) None of these

Last Answer : Answer : A

If there are 999 bases in an RNA that code for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered? (a) 11 (b) 33 (c) 333 (d) 1

Description : If there are 999 bases in an RNA that code for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered? (a) 11 (b) 33 (c) 333 (d) 1

Last Answer : (d) 1

If there are 999 bases in an RNA that code for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered? (a) 11 (b) 33 (c) 333 (d) 1

Description : If there are 999 bases in an RNA that code for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered? (a) 11 (b) 33 (c) 333 (d) 1

Last Answer : b) 33

How many different kinds of amino acids are specified by the genetic code? (a) 15 (b) 20 (c) 12 (d) 200

Description : How many different kinds of amino acids are specified by the genetic code? (a) 15 (b) 20 (c) 12 (d) 200

Last Answer : Ans:(b)

.Khorana first deciphered the triplet codons of (a) serine and isoleucine (b) cysteine and valine (c) tyrosine and tryptophan (d) phenylalanine and methinonine.

Description : .Khorana first deciphered the triplet codons of (a) serine and isoleucine (b) cysteine and valine (c) tyrosine and tryptophan (d) phenylalanine and methinonine.

Last Answer : (a) serine and isoleucine

Khorana first deciphered the triplet codons of (a) serine and isoleucine (b) cysteine and valine (c) tyrosine and tryptophan (d) phenylalanine and methinonine

Description : Khorana first deciphered the triplet codons of (a) serine and isoleucine (b) cysteine and valine (c) tyrosine and tryptophan (d) phenylalanine and methinonine

Last Answer : (b) cysteine and valine

Non-coding sequences in a gene are known as (A) Cistrons (B) Nonsense codons (C) Introns (D) Exons

Description : Non-coding sequences in a gene are known as (A) Cistrons (B) Nonsense codons (C) Introns (D) Exons

Last Answer : Answer : C

Three stop codons, which aids in termination of translation are also known as A- pause codons B- .nonsense codons C- missense codons D- antisense codons

Description : Three stop codons, which aids in termination of translation are also known as A- pause codons B- .nonsense codons C- missense codons D- antisense codons

Last Answer : .nonsense codons

The term triplet genetic code were coined by

Description : The term triplet genetic code were coined by

Last Answer : The term triplet genetic code were coined by A. Watson and Crick B. Nirenberg C. Gamow D. Conrat

Following are the characteristic of genetic code (a) It is triplet (b) It is universal (c) It is non-overlapping (d) It is ambiguous

Description : Following are the characteristic of genetic code (a) It is triplet (b) It is universal (c) It is non-overlapping (d) It is ambiguous

Last Answer : Ans:(a)

Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a “triplet”? (a) Hershey and Chase (b) Morgan and Sturtevant (c) Beadle and Tatum (d) Nirenberg and Mathaei

Description : Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a “triplet”? (a) Hershey and Chase (b) Morgan and Sturtevant (c) Beadle and Tatum (d) Nirenberg and Mathaei

Last Answer : (b) Morgan and Sturtevant

Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a “triplet”? (a) Hershey and Chase (b) Morgan and Sturtevant (c) Beadle and Tatum (d) Nirenberg and Mathaei

Description : Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a “triplet”? (a) Hershey and Chase (b) Morgan and Sturtevant (c) Beadle and Tatum (d) Nirenberg and Mathaei

Last Answer : (b) Morgan and Sturtevant

Match the codons given in column I with their respective amino acids given in column II and choose the correct answer.

Description : Match the codons given in column I with their respective amino acids given in column II and choose the correct answer.

Last Answer : Match the codons given in column I with their respective amino acids given in column II and choose the correct answer. ... -II, b-IV, c-I, d-V, e-III

If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ? (1) 11 (2) 33 (3) 333 (4) 1

Description : If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ? (1) 11 (2) 33 (3) 333 (4) 1

Last Answer : (2) 33

How many amino acids are coded for by this sequence of nucleotides?

Description : How many amino acids are coded for by this sequence of nucleotides?

Last Answer : Need answer

What is the maximum number of different amino acids in a polypeptide chain coded by the synthetic polyribonucleotides (UCAG)5? A- One B- Two C- Three D- Four

Description : What is the maximum number of different amino acids in a polypeptide chain coded by the synthetic polyribonucleotides (UCAG)5? A- One B- Two C- Three D- Four

Last Answer : Three

5. Some amino acids are coded by more than one codon hence the codon is said to be a)Universal b)Degenerate c)Unambiguous d)Specific

Description : 5. Some amino acids are coded by more than one codon hence the codon is said to be a)Universal b)Degenerate c)Unambiguous d)Specific

Last Answer : b)Degenerate

Tetracyclines inhibit binding of amino acyl tRNAs to (A) 30 S ribosomal subunits (B) 40 S ribosomal subunits (C) 50 S ribosomal subunits (D) 60 S ribosomal subunits

Description : Tetracyclines inhibit binding of amino acyl tRNAs to (A) 30 S ribosomal subunits (B) 40 S ribosomal subunits (C) 50 S ribosomal subunits (D) 60 S ribosomal subunits

Last Answer : Answer : A

What Portion of DNA which carries the genetic code for the formation of a particular protein by specifying its amino acids sequence?

Description : What Portion of DNA which carries the genetic code for the formation of a particular protein by specifying its amino acids sequence?

Last Answer : Gene

All the following statements about recognition of a codon on mRNA by an anticodon on tRNA are correct except (A) The recognition of the third base of the codon is not very precise (B) Imprecise recognition of the third base results in wobble (C) Wobble is partly responsible for the degeneracy of the genetic code (D) Wobble results in incorporation of incorrect amino acids in the protein

Description : All the following statements about recognition of a codon on mRNA by an anticodon on tRNA are correct except (A) The recognition of the third base of the codon is not very precise (B) ... degeneracy of the genetic code (D) Wobble results in incorporation of incorrect amino acids in the protein

Last Answer : Answer : D

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

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

Last Answer : Answer : A

.Because most of the amino acids are represented by more than one codon, the genetic code is(a) overlapping (b) wobbling (c) degenerate (d) generate.

Description : .Because most of the amino acids are represented by more than one codon, the genetic code is(a) overlapping (b) wobbling (c) degenerate (d) generate.

Last Answer : a) overlapping

Because most of the amino acids are represented by more than one codon, the genetic code is(a) overlapping (b) wobbling (c) degenerate (d) generate

Description : Because most of the amino acids are represented by more than one codon, the genetic code is (a) overlapping (b) wobbling (c) degenerate (d) generate

Last Answer : (c) degenerate

Does nonsense have some sense or is it that some sense is nonsense?

Description : Does nonsense have some sense or is it that some sense is nonsense?

Last Answer : the secret is deciding what makes sense out of all non-sense, and acting on it.

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

Which of the following terms refers to the collection of all alleles of every gene present in the members of a population? Is it: a) population expression b) gene pool c) genetic dictionary d) none of these

Description : Which of the following terms refers to the collection of all alleles of every gene present in the members of a population? Is it: a) population expression b) gene pool c) genetic dictionary d) none of these

Last Answer : ANSWER: B -- GENE POOL

Triplet sequence found in mRNA which codes for single amino acid

Description : Triplet sequence found in mRNA which codes for single amino acid

Last Answer : Ans. Codon

Which one of the following triplet codes, is correctly matched with its specificity for an amino acid in protein synthesis or as ‘start’ or ‘stop’ codon? (a) UCG – Start (b) UUU – Stop (c) UGU – Leucine (d) UAC – Tyrosine

Description : Which one of the following triplet codes, is correctly matched with its specificity for an amino acid in protein synthesis or as ‘start’ or ‘stop’ codon? (a) UCG – Start (b) UUU – Stop (c) UGU – Leucine (d) UAC – Tyrosine

Last Answer : (d) UAC – Tyrosine

Which one of the following triplet codes, is correctly matched with its specificity for an amino acid in protein synthesis or as ‘start’ or ‘stop’ codon? (a) UCG – Start (b) UUU – Stop (c) UGU – Leucine (d) UAC – Tyrosine

Description : Which one of the following triplet codes, is correctly matched with its specificity for an amino acid in protein synthesis or as ‘start’ or ‘stop’ codon? (a) UCG – Start (b) UUU – Stop (c) UGU – Leucine (d) UAC – Tyrosine

Last Answer : (d) UAC – Tyrosine

.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

Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins

Description : Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins

Last Answer : Answer : A

The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Description : The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Last Answer : Median=n=even =n/2=20/2=10th observation =98 Mode =88

The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Description : The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Last Answer : Median=n=even =n/2=20/2=10th observation =98 Mode =88

22.222 + 2220.2 + 202.20 + 0.0202 – 2.0022 = ? a) 2244.24 b) 2442.64 c) 2424.44 d) 2444.64 e) 2224.84

Description : 22.222 + 2220.2 + 202.20 + 0.0202 – 2.0022 = ? a) 2244.24 b) 2442.64 c) 2424.44 d) 2444.64 e) 2224.84

Last Answer : b) 2442.64