Description : Is the stop codon an amino acid? -Biology
Last Answer : answer:
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
Description : which codon is code for the amino acid histidine?
Last Answer : It is CAC and CAU.
Description : Which one of the following pairs is correctly matched with regard to the codon and the amino acid coded by it `?`
Last Answer : Which one of the following pairs is correctly matched with regard to the codon and the amino acid coded ... AAA-lysine C. AUG-cysteine D. CCC-alanine
Description : A codon specifies the same amino acid in Brassica and homo because codons are
Last Answer : A codon specifies the same amino acid in Brassica and homo because codons are A. Non-overlapping B. Commaless C. Universal D. Nonambiguous
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
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
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
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
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
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
Description : Genetic code is (A) Collection of codon (B) Collection of amino acids (C) Collection of purine nucleotide (D) Collection of pyrimidine nucleotide
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))
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
Description : What would happen if in a gene encoding a polypeptide of 50 amino acids, 25th codon (UAU) is mutated to UAA? (a) A polypeptide of 24 amino acids will be formed. (b) Two polypeptides of 24 and ... ) A polypeptide of 49 amino acids will be formed. (d) A polypeptide of 25 amino acids will be formed.
Last Answer : (b) Two polypeptides of 24 and 25 amino acids will be formed.
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
Description : .What would happen if in a gene encoding a polypeptide of 50 amino acids, 25th codon (UAU) is mutated to UAA? (a) A polypeptide of 24 amino acids will be formed. (b) Two polypeptides of 24 and ... ) A polypeptide of 49 amino acids will be formed. (d) A polypeptide of 25 amino acids will be formed.
Last Answer : (a) A polypeptide of 24 amino acids will be formed.
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
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
Description : Difference between termination signal and stop codon. -Biology
Description : Where is the stop codon located? -Biology
Description : What happens when the ribosome reaches a stop codon? -Biology
Description : The Shine-Dalgarno sequence is A- trailer sequence B- a stop codon C- the reading frame of a gene D- a short sequence that acts as a ribosomal binding site
Last Answer : a short sequence that acts as a ribosomal binding site
Description : Which stop codon has been found to encode selenocysteine? A- UAA B- UAG C- UGA D-.AGA
Last Answer : UGA
Description : The stretch of codons between AUG and a stop codon is called a) open reading frame b) TATA box c) colinearity d) degenerate
Last Answer : a) open reading frame
Description : UAG is a. Start codon b. Stop codon c. Open frame d. End frame
Last Answer : b. Stop codon
Description : Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid? (a) AUG, ACG - Start/methionine (b) UUA, UCA - Leucine (c) GUU, GCU - Alanine (d) UAG, UGA - Stop
Last Answer : (b) UUA, UCA - Leucine
Last Answer : (d) UAG, UGA - Stop
Description : What is the difference between a codon and an anti-codon? -Biology
Description : Where is the anti-codon located? -Biology
Description : Where is the tRNA anti-codon located? -Biology
Description : Why is anti-codon important? -Biology
Description : Why does tRNA have an anti-codon? -Biology
Description : Why is an anti-codon important for protein synthesis? -Biology
Description : How many bases are in an anti-codon? -Biology
Description : What is a codon and anticodon? -Biology
Description : What is the start codon? -Biology
Description : Where is a codon found? -Biology
Description : Where is the start codon located? -Biology
Description : What is a codon and what does it represent? -Biology
Description : Is AUG a start codon? -Biology
Description : What does each codon code for? -Biology
Description : Why is the start codon necessary? -Biology
Description : Which anticodon pairs with the codon gau? -Biology
Description : Is mRNA a codon or anticodon? -Biology