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
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 : 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 : 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 : A frameshift mutation changes the reading frame because the genetic code (A) Is degenerate (B) Is overlapping (C) Has no punctuations (D) Is universal
Last Answer : Answer : C
Description : UAG is a. Start codon b. Stop codon c. Open frame d. End frame
Last Answer : b. Stop codon
Description : The terminal codons are (a) AUG, GUG, GUC (b) UAG, UAA, AGA (c) UAA, UAC, AUG (d) UAA, UAG, UUA
Last Answer : (b) UAG, UAA, AGA
Description : Which one of the following codons would terminate translation? a. AUG b. UUU c. UAA d. UGG
Last Answer : c. UAA
Description : Which of the following three codons translate as serine (Ser)? A- AGU B- CGA C- CAU D- AUG
Last Answer : AGU
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 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.
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
Last Answer : d) A codon in mRNA is read in a non-contiguous
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 : 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 : 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 : 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
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
Description : A codon consists of three nucleotides. There are fou possible nucleotides, each of which has an equal probability of being in any one of the three spots. How many possible codons exist?
Last Answer : ANSWER: 64
Description : Which of the termination codon is called amber? A- UAA B- UAG C- UGA D- AUG
Last Answer : UAG
Description : Is AUG a start codon? -Biology
Last Answer : answer:
Description : Mention two functions of codon AUG -Science
Description : The codon which serves as translation start signal is (A) AUG (B) UAG (C) UGA (D) UAA
Last Answer : Answer : A
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
Description : The first codon to be translated on mRNA is (A) AUG (B) GGU (C) GGA (D) AAA
Description : Initiation codon of protein synthesis (in eukaryotes) is (a) GUA (b) GCA (c) CCA (d) AUG.
Last Answer : (a) GUA
Description : Which of the following serves as a terminal codon? (a) UAG (b) AGA (c) AUG (d) GCG
Last Answer : b) AGA
Description : .Initiation codon in eukaryotes is (a) GAU (b) AGU (c) AUG (d) UAG
Last Answer : d) UAG
Description : Which of the following is initiation codon? (a) UAG (b) AUC (c) AUG (d) CCU
Last Answer : b) AUC
Description : Which one of the following is the starter codon? (a) UAA (b) UAG (c) AUG (d) UGA
Last Answer : (c) AUG
Last Answer : (d) AUG.
Last Answer : a) UAG
Description : Initiation codon in eukaryotes is (a) GAU (b) AGU (c) AUG (d) UAG
Description : .Which of the following is initiation codon? (a) UAG (b) AUC (c) AUG (d) CCU
Description : A consensus sequence on DNA, called TATA box, is the site for attachment of (A) RNA-dependent DNA polymerase (B) DNA-dependent RNA polymerase (C) DNA-dependent DNA polymerase (D) DNA topoisomerase II
Description : During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called? (a) AAAT box (b) TATA box (c) GGTT box (d) CAAT box
Last Answer : (c) GGTT box
Last Answer : (b) TATA box
Description : Eukaryotic promoters contain (A) TATA box 25bp upstream of transcription start site (B) CAAT box 70-80 bp upstream of transcription start site (C) Both (A) and (B) (D) None of these
Description : All of the following statements about bacterial promoters are true except (A) They are smaller than eukaryotic promoters (B) They have two consensus sequences upstream from the transcription star site (C) ... is the site for attachment of RNA polymerase (D) TATA box has a high melting temperature
Description : The region of DNA known as TATA BOX is the site for binding of (A) DNA polymerase (B) DNA topoisomerase (C) DNA dependent RNA polymerase (D) Polynucleotide phosphorylase
Description : Name the steering gear box used in following: (i) Maruti ‘Alto’ (ii) Tata ‘Sumo’ (iii) Ashok Leyland Truck (iv) Road Roller
Last Answer : (i) Maruti ‘Alto’=========Rack and Pinion Type Gear Box. (ii) Tata ‘Sumo’==========Recireulating Ball Type Gear Box. (iii) Ashok Leyland Truck === Worm and Nut Type Gear Box (iv) Road Roller=========== Worm and Roller Type Steering Gear Box
Description : In the following partial sequence of mRNA, a mutation of the template DNA results in a change in codon 91 to UAA. The type of mutation is 88 89 90 91 92 93 94 GUC GAC CAG UAG GGC UAA CCG (A) Missene (B) Silent (C) Nonsense (D) Frame shit
Description : Which of the following defines an open reading frame (ORF)? A.A sequence of genome in bacteriophage B.The sequence of a complete genome C.A plasmid vector used in genome sequencing D.A possible gene predicted by DNA sequencing
Last Answer : D.A possible gene predicted by DNA sequencing
Description : Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing
Last Answer : .A possible gene predicted by DNA sequencing