Description : The codons causing chain termination are (a) AGT, TAG, UGA (b) UAG, UGA, UAA (c) TAG, TAA, TGA (d) GAT, AAT, AGT
Last Answer : (b) UAG, UGA, UAA
Last Answer : b) UAG, UGA, UAA
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 : .Initiation codon in eukaryotes is (a) GAU (b) AGU (c) AUG (d) UAG
Last Answer : d) UAG
Description : Initiation codon in eukaryotes is (a) GAU (b) AGU (c) AUG (d) UAG
Last Answer : (c) AUG
Description : The codon which serves as translation start signal is (A) AUG (B) UAG (C) UGA (D) UAA
Last Answer : Answer : A
Description : Which one of the following is the starter codon? (a) UAA (b) UAG (c) AUG (d) UGA
Description : Which of the termination codon is called amber? A- UAA B- UAG C- UGA D- AUG
Last Answer : UAG
Description : The nonsense codon(s) is/are A-UAG B-UAA C-UGA D-all of these
Last Answer : all of these
Description : Which stop codon has been found to encode selenocysteine? A- UAA B- UAG C- UGA D-.AGA
Last Answer : UGA
Description : Which one of the following codons would terminate translation? a. AUG b. UUU c. UAA d. UGG
Last Answer : c. UAA
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 : Mention the role of the codons UGA during proteins synthesis -Science
Last Answer : answer:
Description : Which of the following serves as a terminal codon? (a) UAG (b) AGA (c) AUG (d) GCG
Last Answer : b) AGA
Last Answer : a) UAG
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
Last Answer : Answer : B
Description : Which of the following three codons translate as serine (Ser)? A- AGU B- CGA C- CAU D- AUG
Last Answer : AGU
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
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
Description : What is the subcellular site for the biosynthesis of proteins? (A) Chromosomes (B) Lymosomes (C) Ribosomes (D) Centrosomes
Description : Identify the correct molecule which controls the biosynthesis of proteins in living organisms. (A) DNA (B) RNA (C) Purines (D) Pyrimidines
Description : For biosynthesis of proteins (A) Amino acids only are required (B) Amino acids and nucleic acids only are required (C) Amino acid, nucleic acids and ATP only are required (D) Amino acids, nucleic acids, ATP, GTP, enzymes and activators are required
Description : How many aau teams in metro atlanta?
Last Answer : how many different type aau teams in metro atlanta
Description : What would be the strand of complementary DNA produced by the strand of DNA of tcg aag?
Last Answer : Purine- Adenine, guanine,pyrimidine- thymine, cytosineAdenine pairs with thymineGuanine pairs with cytosineTherefore the complementary strand to TCG AAG is AGC TTC============================= ... pairs with G so the complementary strand is as follows:TCG AAG (Original)AGC TTC (Complementary)GCA TAT
Description : What would be the strand of complementary DNA produced by the strand of DNA called TCG AAG?
Last Answer : Agc ttc
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 : 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 : Which anticodon pairs with the codon gau? -Biology
Description : Sequence of AAT GCT TAG GCA on template segment of DNA will be represented over the transcribed mRNA as
Last Answer : Sequence of AAT GCT TAG GCA on template segment of DNA will be represented over the transcribed mRNA as A. ... C. UUA CGA AUC CGU D. TTA CGA ATC CGT
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
Description : Which triplet in DNA codes for valine ? A. CTT B. AGU C. CAT D. AAT E. None of these (Answer)
Last Answer : E. None of these (Answer)
Description : Initiation codon of protein synthesis (in eukaryotes) is (a) GUA (b) GCA (c) CCA (d) AUG.
Last Answer : (a) GUA
Last Answer : (d) AUG.
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
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
Description : Nonsense codons bring about (A) Amino acid activation (B) Initiation of protein synthesis (C) Termination of protein synthesis (D) Elongation of polypeptide chains
Description : Codons are in (A) DNA (B) mRNA (C) tRNA (D) rRNA
Description : Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins
Description : Non-coding sequences in a gene are known as (A) Cistrons (B) Nonsense codons (C) Introns (D) Exons
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 : Nonsense codons are present on (A) mRNA (B) tRNA (C) rRNA (D) None of these
Description : Codons are present on (A) Non-coding strand of DNA (B) hnRNA (C) tRNA (D) None of these
Description : All of the following statements about tRNA are true except (A) It is synthesized as a large precursor (B) It is processed in the nucelolus (C) It has no codons or anticodons (D) Genes for rRNA are present in single copies
Description : Codons are present in (A) Template strand of DNA (B) mRNA (C) tRNA (D) rRNA