Description : Where are promoter regions located? -Biology
Last Answer : answer:
Description : Mutations in promoter regions of genes can cause (A) Premature termination of translation (B) Change in reading frame of downstream structural gene (C) Decreased efficiency of transcription (D) All of these
Last Answer : Answer : C
Description : Suppressor tRNAs can neutralize the effects of mutations in (A) Structural genes (B) Promoter regions (C) Enhancer elements(D) All of these
Last Answer : Answer : A
Description : Suppressor mutations occur in (A) Structural genes (B) Promoter regions (C) Silencer elements (D) Anticodons of tRNA
Last Answer : Answer : D
Description : Enhancer elements have all the following features except (A) They increase gene expression through a promoter (B) Each enhancer activates a specific promoter (C) They may be located far away from the promoter (D) They may be upstream or downstream from the promoter
Last Answer : Answer : B
Description : All of the following statements about eukaryotic promoters are true except (A) They may be located upstream or down stream from the structural gene (B) They have two consensus sequences ( ... (D) Mutations in promoter region can decrease the efficiency of transcription of the structural gene
Description : The ribosome binding site A- forms a stem-loop structure in the RNA B- is located upstream of the promoter sequence C- .is located immediately upstream of the start codon D- is more likely to be associated with an operon than with a gene encoding a single protein
Last Answer : .is located immediately upstream of the start codon
Description : The rivosome binding site A- forms a sltem- loop structure in the RNA B- is located upstream of the promoter sequence C- is located immediately upstream of the start codon D- is more likely to be associated with an operon than with a gene encoding a single protein
Last Answer : is located immediately upstream of the start codon
Description : What is a promoter region on a gene? -Biology
Description : Is the promoter region transcribed? -Biology
Description : Promoter region in prokaryotes -Biology
Description : Scientist Warner Carl Heisenberg is the promoter of what ?
Last Answer : Scientist Warner Carl Heisenberg is the pioneer of quantum mechanics.
Description : Who is the promoter of free verse in Bengali literature ?
Last Answer : Kazi Nazrul Islam , the promoter of free verse in Bengali literature .
Description : Who is the promoter of quantum mechanics ?
Last Answer : Warner Carl Heisenberg, the pioneer of quantum mechanics.
Description : Who is the promoter of the doctrine of natural selection ?
Last Answer : Charles Darwin, the founder of the theory of natural selection.
Last Answer : Grace Hopper, the pioneer of programming.
Last Answer : Hazrat Omar (R) the promoter of Hijri year
Last Answer : Akhtar Hamid Khan, the promoter of Comilla model.
Last Answer : Gautama Buddha, the promoter of Buddhism.
Last Answer : Michael Madhusudan Dutt.
Description : $ Insectivorous plants get nitrogenous nutrition from the insects. IAA is growth promoter.
Last Answer : $ Insectivorous plants get nitrogenous nutrition from the insects. IAA is growth promoter. A. If both As and ... wrong D. If both As and R are wrong.
Description : (i) A first secretary appointed by the promoter.
Last Answer : Write a word or a term or a phrase that can substitute each of the following statements. ... person nominated on the Board by a dominant shareholder.
Description : What would happen if there were no promoter sequence?
Last Answer : Feel Free to Answer
Description : The ‘rho’ (ρ) factor is involved (A) To increase the rate of RNA synthesis (B) In binding catabolite repressor to the promoter region (C) In proper termination of transcription (D) To allow proper initiation of transcriptide
Description : The binding of prokaryotic DNA dependent RNA polymerase to promoter sits of genes is inhibited by the antibiotic: (A) Streptomycin (B) Rifamcin (C) Aueromycin (D) Puromycin
Description : Which of the following is transcribed during repression? (A) Structural gene (B) Promoter gene (C) Regulator gene (D) Operator gene
Description : The region of the Lac operon which must be free from structural gene transcription to occur is (A) The operator locus (B) The promoter site (C) The ‘a’ gene (D) The ‘i’ gene
Description : Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification
Description : The coding sequences in lac operon include (A) i gene (B) i gene, operator locus and promoter (C) z, y and a genes (D) i, z, y and a genes
Description : Lactose or its analogues act as positive regulators of lac operon by (A) Attaching to i gene and preventing its expression (B) Increasing the synthesis of catabolite gene activator protein (C) ... holoenzyme (D) Binding to repressor subunits so that the repressor cannot attach to the operator locus
Description : Binding of RNA polymerase holoenzyme to the promoter region of lac operon is facilitated by (A) Catabolite gene activator protein (CAP) (B) cAMP (C) CAP-cAMP complex (D) None of these
Description : Transcription of structural genes of lac operon is prevented by binding of the repressor tetramer to (A) i gene (B) Operator locus (C) Promoter (D) z gene
Description : RNA polymerase holoenzyme binds to lac operon at the following site: (A) i gene (B) z gene (C) Operator locus (D) Promoter region
Description : Lac operon is a cluster of (A) Three structural genes (B) Three structural genes and their promoter (C) A regulatory gene, an operator and a promoter (D) A regulatory gene, an operator, a promoter and three structural genes
Description : In the lac operon concept, a protein molecule is (A) Operator (B) Inducer (C) Promoter (D) Repressor
Description : To commence structural gene transcription the region which should be free on lac operation is (A) Promoter site (B) Operator locus (C) Y gene (D) A gene
Description : The gene which is transcribed during repression is (A) Structural (B) Regulator (C) Promoter (D) Operator
Description : The binding of prokaryotic DNA dependent RNA polymerase to promoter sites of genes is inhibited by the antibiotic: (A) Puromycin (B) Rifamycin (C) Terramycin (D) Streptomycin
Description : After termination of the synthesis of RNA molecule, the core enzymes separate from the DNA template. The core enzymes then recognize a promoter at which the synthesis of a new RNA molecule commences, with the assistance of (A) Rho (ρ) factor (B) δ factor (C) β factor (D) σ factor
Description : Which of the following statement is correct? (1) The causal organism for foolish seedling disease is the source of gibberellin (2) Abscisic acid is a growth promoter (3) The ratio of auxin : cytokinin control cell differentiation (4) Bolting of cabbage can be induced by treatment with IAA
Last Answer : Ans. ((d))
Description : A substance which increases the efficiency of a catalyst is termed as: A. Promoter (Answer) B. Activator C. Retarder D. Super catalyst
Last Answer : A. Promoter (Answer)
Description : In transgenics, expression of transgene in target tissue is determined by (a) enhancer (b) transgene (c) promoter (d) reporter.
Last Answer : (d) reporter.
Description : Which one of the following is wrongly matched? (a) Transcription - Writing information from DNA to tRNA. (b) Translation - Using information in mRNA to make protein. (c) Repressor protein - Binds to operator to stop enzyme synthesis. (d) Operon - Structural genes, operator and promoter.
Last Answer : (c) Repressor protein - Binds to operator to stop enzyme synthesis.
Description : .All of the following are part of an operon except (a) an operator (b) structural genes (c) an enhancer (d) a promoter.
Last Answer : d) a promoter.
Description : During transcription, the DNA site at which RNA polymerase binds is called (a) promoter (b) regulator (c) receptor (d) enhancer.
Last Answer : d) enhancer
Description : Which one of the following is not a part of a transcription unit in DNA? (a) The inducer (b) A terminator (c) A promoter (d) The structural gene
Last Answer : (c) A promoter