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

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
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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

All the following statements about tRNA are correct except (A) A given tRNA can be charged with only one particular amino acid (B) The amino acid is recognized by the anticodon of tRNA (C) The amino acid is attached to end of tRNA (D) The anticodon of tRNA finds the complementary codon on mRNA

Description : All the following statements about tRNA are correct except (A) A given tRNA can be charged with only one particular amino acid (B) The amino acid is recognized by the anticodon of tRNA (C) The amino acid is attached to end of tRNA (D) The anticodon of tRNA finds the complementary codon on mRNA

Last Answer : Answer : B

What happens at the ribosome in the production of a protein? a. mRNA brings the codon b. tRNA brings the anticodon c. the amino acids are linked by polypeptide bonds d. translation e. all the above

Description : What happens at the ribosome in the production of a protein? a. mRNA brings the codon b. tRNA brings the anticodon c. the amino acids are linked by polypeptide bonds d. translation e. all the above

Last Answer : c. the amino acids are linked by polypeptide bonds

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

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

The genetic code operates via (A) The protein moiety of DNA (B) The base sequences of DNA (C) The nucleotide sequence of mRNA (D) The base sequence of tRNA

Description : The genetic code operates via (A) The protein moiety of DNA (B) The base sequences of DNA (C) The nucleotide sequence of mRNA (D) The base sequence of tRNA

Last Answer : Answer : C

Point out mRna codon and anticodon when tRna is charged with aminocaid hionine -Biology

Description : Point out mRna codon and anticodon when tRna is charged with aminocaid hionine -Biology

Last Answer : answer:

Point out mRna codon and anticodon when tRna is charged with aminocaid hionine -Biology

Description : Point out mRna codon and anticodon when tRna is charged with aminocaid hionine -Biology

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The interaction between the mRNA and tRNA determined the position of amino acid in a polypeptide sequence. This is called the A- stagerivity B- Wobble hypothesis C- Promiscuity D- adaptor hypothesis

Description : The interaction between the mRNA and tRNA determined the position of amino acid in a polypeptide sequence. This is called the A- stagerivity B- Wobble hypothesis C- Promiscuity D- adaptor hypothesis

Last Answer : adaptor hypothesis

Wobble position means a) Base paring b) altered base on code b) third altered base on codon d) none of the above

Description : Wobble position means a) Base paring b) altered base on code b) third altered base on codon d) none of the above

Last Answer : b) third altered base on codon

In the process of elongation of chain binding of amino acyl tRNA to the A site requires (A) A proper codon recognition (B) GTP (C) EF-II (D) GDP

Description : In the process of elongation of chain binding of amino acyl tRNA to the A site requires (A) A proper codon recognition (B) GTP (C) EF-II (D) GDP

Last Answer : Answer : A

.The first phase of translation is (a) binding of mRNA to ribosome (b) recognition of DNA molecule (c) aminoacylation of tRNA (d) recognition of an anti-codon

Description : .The first phase of translation is (a) binding of mRNA to ribosome (b) recognition of DNA molecule (c) aminoacylation of tRNA (d) recognition of an anti-codon

Last Answer : (d) recognition of an anti-codon.

The first phase of translation is (a) binding of mRNA to ribosome (b) recognition of DNA molecule (c) aminoacylation of tRNA (d) recognition of an anti-codon.

Description : The first phase of translation is (a) binding of mRNA to ribosome (b) recognition of DNA molecule (c) aminoacylation of tRNA (d) recognition of an anti-codon.

Last Answer : c) aminoacylation of tRNA

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))

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

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

Which of the following statement(s) is/are true concerning translation of the mRNA message to protein synthesis? a. An adaptor molecule, tRNA, recognizes specific nucleic acid bases and unites them with specific amino acids b. Covalent attachment of tRNA to amino acids is energy dependent c. The formation of a peptide bond between the growing peptide chain and the free amino acid occurs in the free cytoplasm d. Complete protein synthesis takes hours

Description : Which of the following statement(s) is/are true concerning translation of the mRNA message to protein synthesis? a. An adaptor molecule, tRNA, recognizes specific nucleic acid bases and unites them ... and the free amino acid occurs in the free cytoplasm d. Complete protein synthesis takes hours

Last Answer : Answer: a, b The synthesis of protein involves conversion from a four-letter nucleotide language to one of 20 chemically distinct amino acids. This process is referred to as ... translation and be moving down the mRNA molecules simultaneously, thus increasing the rate of protein synthesis

The anticodon region is an important part of the structure of (A) rRNA (B) tRNA (C) mRNA (D) hrRNA

Description : The anticodon region is an important part of the structure of (A) rRNA (B) tRNA (C) mRNA (D) hrRNA

Last Answer : Answer : B

Anticodon sequence are seen in (A) tRNA and transcribed DNA strand (B) tRNA and complementary DNA strand (C) mRNA (D) mRNA and complementary DNA strand

Description : Anticodon sequence are seen in (A) tRNA and transcribed DNA strand (B) tRNA and complementary DNA strand (C) mRNA (D) mRNA and complementary DNA strand

Last Answer : Answer : A

From DNA the genetic message is transcribed into this compound: (A) Protein (B) mRNA (C) tRNA (D) rRNA

Description : From DNA the genetic message is transcribed into this compound: (A) Protein (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : B

Genetic information of nuclear DNA is transmitted to the site of protein synthesis by (A) rRNA (B) mRNA (C) tRNA (D) Polysomes

Description : Genetic information of nuclear DNA is transmitted to the site of protein synthesis by (A) rRNA (B) mRNA (C) tRNA (D) Polysomes

Last Answer : D

.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

Initiation of protein synthesis begins with binding of (A) 40S ribosomal unit on mRNA (B) 60S ribosomal unit (C) Charging of tRNA with specific amino acid (D) Attachment of aminoacyl tRNA on mRNA

Description : Initiation of protein synthesis begins with binding of (A) 40S ribosomal unit on mRNA (B) 60S ribosomal unit (C) Charging of tRNA with specific amino acid (D) Attachment of aminoacyl tRNA on mRNA

Last Answer : Answer : A

Translation results in the formation of (A) mRNA (B) tRNA (C) rRNA (D) A protein molecule

Description : Translation results in the formation of (A) mRNA (B) tRNA (C) rRNA (D) A protein molecule

Last Answer : Answer : D

Translation results in a product known as (A) Protein (B) tRNA (C) mRNA (D) rRNA

Description : Translation results in a product known as (A) Protein (B) tRNA (C) mRNA (D) rRNA

Last Answer : Answer : A

AUG, the only identified codon for methionine is important as (A) A releasing factor for peptide chains (B) A chain terminating codon (C) Recognition site on tRNA (D) A chain initiating codon

Description : AUG, the only identified codon for methionine is important as (A) A releasing factor for peptide chains (B) A chain terminating codon (C) Recognition site on tRNA (D) A chain initiating codon

Last Answer : Answer : D

Is mRNA a codon or anticodon? -Biology

Description : Is mRNA a codon or anticodon? -Biology

Last Answer : answer:

Is mRNA a codon or anticodon? -Biology

Description : Is mRNA a codon or anticodon? -Biology

Last Answer : answer:

Amino acid is attached to tRNA at (A) 5’-End (B) 3’-End (C) Anticodon (D) DHU loop

Description : Amino acid is attached to tRNA at (A) 5’-End (B) 3’-End (C) Anticodon (D) DHU loop

Last Answer : Answer : B

Anticodon is an unpaired triplet of bases in an exposed position of (a) tRNA (b) mRNA (c) rRNA (d) both (b) and (c).

Description : Anticodon is an unpaired triplet of bases in an exposed position of (a) tRNA (b) mRNA (c) rRNA (d) both (b) and (c).

Last Answer : (b) mRNA

Anticodon occurs in (a) tRNA (b) mRNA (c) rRNA (d) DNA.

Description : Anticodon occurs in (a) tRNA (b) mRNA (c) rRNA (d) DNA.

Last Answer : b) mRNA

Anticodon is an unpaired triplet of bases in an exposed position of (a) tRNA (b) mRNA (c) rRNA (d) both (b) and (c).

Description : Anticodon is an unpaired triplet of bases in an exposed position of (a) tRNA (b) mRNA (c) rRNA (d) both (b) and (c).

Last Answer : tRNA

Anticodon occurs in (a) tRNA (b) mRNA (c) rRNA (d) DNA.

Description : Anticodon occurs in (a) tRNA (b) mRNA (c) rRNA (d) DNA.

Last Answer : (a) tRNA

In tRNA molecule, the anticodon arm possesses (A) 5 Base pairs (B) 7 Base pairs (C) 8 Base pairs (D) 10 Base pairs

Description : In tRNA molecule, the anticodon arm possesses (A) 5 Base pairs (B) 7 Base pairs (C) 8 Base pairs (D) 10 Base pairs

Last Answer : Answer : A

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

What is not true for genetic code? (a) It is nearly universal. (b) It is degenerate. (c) It is unambiguous. (d) A codon in mRNA is read in a non-contiguous fashion.

Description : What is not true for genetic code? (a) It is nearly universal. (b) It is degenerate. (c) It is unambiguous. (d) A codon in mRNA is read in a non-contiguous fashion.

Last Answer : (c) It is unambiguous.

What is not true for genetic code? (a) It is nearly universal. (b) It is degenerate. (c) It is unambiguous. (d) A codon in mRNA is read in a non-contiguous fashion.

Description : What is not true for genetic code? (a) It is nearly universal. (b) It is degenerate. (c) It is unambiguous. (d) A codon in mRNA is read in a non-contiguous fashion.

Last Answer : d) A codon in mRNA is read in a non-contiguous

The RNA that pick up specific amino acid from amino acid pool in the cytoplasm to ribosome during protein synthesis is called (a) rRNA (b) RNA (c) mRNA (d) tRNA.

Description : The RNA that pick up specific amino acid from amino acid pool in the cytoplasm to ribosome during protein synthesis is called (a) rRNA (b) RNA (c) mRNA (d) tRNA.

Last Answer : a) rRNA

Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.

Description : Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.

Last Answer : (b) tRNA

The RNA that pick up specific amino acid from amino acid pool in the cytoplasm to ribosome during protein synthesis is called (a) rRNA (b) RNA (c) mRNA (d) tRNA

Description : The RNA that pick up specific amino acid from amino acid pool in the cytoplasm to ribosome during protein synthesis is called (a) rRNA (b) RNA (c) mRNA (d) tRNA

Last Answer : tRNA

.Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.

Description : .Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.

Last Answer : (c) mRNA

All the following statements about charging of tRNA are correct except (A) It is catalysed by amino acyl tRNA synthetase (B) ATP is converted into ADP and Pi in this reaction (C) The enzyme recognizes the tRNA and the amino acid (D) There is a separate enzyme for each tRNA

Description : All the following statements about charging of tRNA are correct except (A) It is catalysed by amino acyl tRNA synthetase (B) ATP is converted into ADP and Pi in this reaction (C) The enzyme recognizes the tRNA and the amino acid (D) There is a separate enzyme for each tRNA

Last Answer : Answer : B

The enzyme amino acyl tRNA synthetase is involved in (A) Dissociation of discharged tRNA from 80S ribosome (B) Charging of tRNA with specific amino acids (C) Termination of protein synthesis (D) Nucleophilic attack on esterified carboxyl group of peptidyl tRNA

Description : The enzyme amino acyl tRNA synthetase is involved in (A) Dissociation of discharged tRNA from 80S ribosome (B) Charging of tRNA with specific amino acids (C) Termination of protein synthesis (D) Nucleophilic attack on esterified carboxyl group of peptidyl tRNA

Last Answer : Answer : B

Which amino acid is specified by genetic codes ACU, ACC, ACA, ACG showing degeneracy ?

Description : Which amino acid is specified by genetic codes ACU, ACC, ACA, ACG showing degeneracy ?

Last Answer : Which amino acid is specified by genetic codes ACU, ACC, ACA, ACG showing degeneracy ? A. Leucine B. Methionine C. Glycine D. Threonine

Blue print for genetic information residues in (A) mRNA (B) tRNA (C) rRNA (D) DNA

Description : Blue print for genetic information residues in (A) mRNA (B) tRNA (C) rRNA (D) DNA

Last Answer : Answer : D

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 genetic code operates through (A) The protein moiety of DNA (B) Cistrom of DNA (C) Nucleotide sequence of m RNA (D) The anticodons of tRNA

Description : The genetic code operates through (A) The protein moiety of DNA (B) Cistrom of DNA (C) Nucleotide sequence of m RNA (D) The anticodons of tRNA

Last Answer : Answer : C

ATP is required for (A) Fusion of 40S and 60S of ribosome (B) Accommodation tRNA amino acid in a site of ribosome (C) Movement of ribosome along mRNA (D) formation of tRNA amino acid complex

Description : ATP is required for (A) Fusion of 40S and 60S of ribosome (B) Accommodation tRNA amino acid in a site of ribosome (C) Movement of ribosome along mRNA (D) formation of tRNA amino acid complex

Last Answer : Answer : D

GTP is not required for (A) Capping L of mRNA (B) Fusion of 40S and 60S of ribosome (C) Accommodation of tRNA amino acid (D) Formation of tRNA amino acid complex

Description : GTP is not required for (A) Capping L of mRNA (B) Fusion of 40S and 60S of ribosome (C) Accommodation of tRNA amino acid (D) Formation of tRNA amino acid complex

Last Answer : Answer : D