Description : If an antibiotic binds to a 50S subunit, what cellular process will be inhibited? a. DNA replication b. Intron excision c. Translation d. Transcription
Last Answer : c. Translation
Description : The final step of gene expression is protein synthesis, which is also known as A- replication B- translation C- transcription D- none of these
Last Answer : translation
Description : The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.
Last Answer : b. disrupting folic acid metabolism.
Description : Rifampicin inhibits (A) Unwinding of DNA (B) Initiation of replication (C) Initiation of translation (D) Initiation of transcription
Last Answer : Answer : D
Description : Synthesis of RNA and a DNA template is known as (A) Replication (B) Translation (C) Transcription (D) Mutation
Last Answer : Answer : C
Description : Synthesis of DNA is also known as (A) Duplication (B) Replication (C) Transcription (D) Translation
Last Answer : Answer : B
Description : The process of copying genetic information from one strand of DNA in to RNA is termed as (a) translation (b) transcription (c) replication (d) mutation
Last Answer : Ans:(b)
Description : DNA mRNA C Proposed by Protein A B The figure gives an important concept in the genetic implication of DNA. Fill the blanks A, B and C. (a) A-Maurice Wilkins, B-Transcription, C-Translation ... c) A-Erwin Chargaff, B-Translation, C-Replication (d) A-Francis Crick, B-Translation, C-Transcription
Last Answer : (d) A-Francis Crick, B-Translation, C-Transcription
Description : The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C. DNA mRNA Proposed by Protein C A B (a) A - Transcription, B -Translation, C - Francis Crick (b) ... , B - Replication, C - James Watson (d) A - Translation, B - Transcription, C - Ervin Chargaff
Last Answer : (a) A - Transcription, B -Translation, C - Francis Crick
Description : A ______ can move a part of DNA to another place on the chromosome. a. translation. b. transferon c. transposon d. transition e. transcription
Last Answer : c. transposon
Description : What is the process called of making a mRNA copy of DNA? a. translation. b. transcription. c. transposon d. transformation
Last Answer : b. transcription.
Description : By which of the following means antifungal chemotherapeutic agents may affect fungi? A- Interfere with nuclear division by preventing the aggregation of microtubules needed for mitosis B- ... membrane-bound enzymes like thoseinvolved in nutrient transport and chitin synthesis D- all of these
Last Answer : all of these
Description : Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the cytoplasm. Reason (R ) `:` m-RNA is transferred fro
Last Answer : Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the ... D. If both assertion and reason are false.
Description : Sigma and Rho factors are required for (A) Replication (B) Transcription (C) Translation (D) Polymerisation
Description : Which one of the following statements is true? a. Plasmids are circular molecules of RNA. b. RNA replicates by a conservative method of replication. c. Deletions or insertions of a ... reading frameshift during translation. d. Okazaki fragments are removed from a RNA before translation occurs.
Last Answer : c. Deletions or insertions of a nucleotide in a gene will cause a reading frameshift during translation.
Description : A characteristic of protein synthesis in both the archaea and eukarya is A.transcription and translation are coupled B.translation is inhibited by diphtheria toxin C.proteins are synthesized from D-, ... L-, isomers of amino acids D.the initiator tRNA is charged with N-formyl- methionine
Last Answer : C.proteins are synthesized from
Description : A characteristic of protein synthesis in both the archaea and eukarya is A- transcription and translation are coupled B- translation is inhibited by diphtheria toxin C- .proteins are synthesized from D-, rather than L-, isomers of amino acids D- the initiator tRNA is charged with N-formyl-methionine
Last Answer : .proteins are synthesized from D-, rather than L-, isomers of amino acids
Description : STAT proteins are (A) Thermostat proteins of brain (B) Glucostat proteins of hepatocyte cell membrane (C) Short term activators of translation (D) Signal transduction and activators of transcription
Description : Which best describes a difference between transcription and DNA replication?
Last Answer : The difference between transcription and DNA replication is that transcription uses uracil.
Description : What is One difference between transcription and DNA replication?
Last Answer : Feel Free to Answer
Description : How are DNA replication and transcription similar?
Last Answer : RNA molecules produced by transcription are much shorter inlength than DNA molecules produced by replication. Also in DNAreplication the compliment of Adenine is Thymine. In transcriptionthe compliment of Adenine is Uracil.
Description : .After a mutation at a genetic locus the character of an organism changes due to change in (a) protein structure (b) DNA replication (c) protein synthesis pattern (d) RNA transcription pattern.
Last Answer : (d) RNA transcription pattern.
Description : After a mutation at a genetic locus the character of an organism changes due to change in (a) protein structure (b) DNA replication (c) protein synthesis pattern (d) RNA transcription pattern.
Last Answer : a) protein structure
Description : The association of histone H1 with a nucleosome indicates that (a) DNA replication is occurring (b) the DNA is condensed into a chromatin fibre (c) the DNA double helix is exposed (d) transcription is occurring.
Last Answer : (b) the DNA is condensed into a chromatin fibre
Description : . DNA replication in bacteria occurs (a) within nucleolus (b) prior to fission (c) just before transcription (d) during S phase.
Last Answer : (b) prior to fission
Description : The association of histone H1 with a nucleosome indicates: (1) DNA replication is occurring. (2) The DNA is condensed into a Chromatin Fibre. (3) The DNA double helix is exposed. (4) Transcription is occurring.
Last Answer : (2) The DNA is condensed into a Chromatin Fibre.
Description : DNA replication in bacteria occurs: (1) Within nucleolus (2) Prior to fission (3) Just before transcription (4) During S phase
Last Answer : (2) Prior to fission
Description : New approaches to antibiotic therapy include a. Carbohydrate targets in the wall LPS. b. unregulating DNA replication. c. Discovering new and unique antibiotics. d. All of the above (A—C) are correct.
Last Answer : d. All of the above (A—C) are correct.
Description : In the semiconservative method of replication a. Both parent strands are degraded. b. One parent strand is conserved in each of the the new dna. c. Both parent strands reform with one another. d. Okazaki fragments form both of the new molecules of DNA.
Last Answer : b. One parent strand is conserved in each of the the new dna.
Description : The Ames test is an effective procedure for a. Identifying disease-causing bacterial species. b. Detecting potential human carcinogens. c. Determining if DNA replication has occurred. d. Detecting antibiotic resistance.
Last Answer : b. Detecting potential human carcinogens.
Description : Why is DNA replication considered semiconservative? a. none of the materials are wasted b. it is a very efficient process c. half of the new DNA molecule is half of the original molecule d. none of the above are correct
Last Answer : c. half of the new DNA molecule is half of the original molecule
Description : Excision repair would correct DNA damage caused by a. Antibiotics. b. UV Light. c. A Chemical Mutagen. d. A Dna Replication Error.
Last Answer : b. UV Light.
Description : Spontaneous mutations could arise from a. DNA replication errors. b. Atmospheric Radiation. c. Addition Of Insertion Sequences. d. All the above (A—C) are correct.
Last Answer : d. All the above (A—C) are correct.
Description : At a chromosome replication fork, the lagging strand consists of__ That is joined by___. a. RNA sequences; DNA ligase b. Okazaki Fragments; RNA Polymerase c. RNA sequences; ribosomes d. Okazaki fragments; DNA ligase
Last Answer : d. Okazaki fragments; DNA ligase
Description : The enzyme adds complementary bases to the DNA template strand during replication. a. Ligase b. Helicase c. DNA polymerase III d. RNA polymerase
Last Answer : d. RNA polymerase
Description : During DNA replication in prokaryotes, synthesis begins on the circular chromosome A.always at the same place B.at any stretch of DNA that is high in AT pairs C.randomly on the chromosome D.at the promoter
Last Answer : A.always at the same place
Description : The development of global regulatory systems in prokaryotes A- determines the exact location of the cell on the globe B- aids in DNA replication C- .determines the exact location of the replication site D- regulates many genes under varying environmental conditions
Last Answer : regulates many genes under varying environmental conditions
Description : Which one of the following is NOT an event of sporulation? a. Symmetrical cell divisions b. Mother cell disintegration c. DNA replication d. Prespore engulfment by the mother cell
Last Answer : a. Symmetrical cell divisions
Description : Antibiotics inhibiting nucleic acid synthesis include a. Rifampin and quinolones. b. Aminoglycosides and tetracyclines. c. Lincosamides and streptogramins. d. Macrolides and ami noglycosides.
Last Answer : a. Rifampin and quinolones.
Description : All the following are drugs or drug classes blocking cell wall synthesis except: a. Cephalosporins. b. Carbapenems. c. Monobactams. d. Tetracyclines.
Last Answer : a. Cephalosporins.
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 : The process of transfer of genetic information from DNA to RNA/formation of RNA from DNA is (a) transversion (b) transcription (c) translation (d) translocation.
Last Answer : (c) translation
Last Answer : (d) Operon - Structural genes, operator and promoter
Last Answer : transcription
Description : Hershey and Chase experiment proving DNA as the genetic material was based on the principle a) Transduction b) transformation c) transcription d) translation
Last Answer : a) Transduction
Description : Which of the following transport bacterial DNA to other bacteria via bacteriophages? A- Conjugation B- Transduction C- Transformation D- Translation
Last Answer : Transduction
Description : The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes ... peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria
Last Answer : Ans: B
Description : The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes ... peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria
Last Answer : B. They bind to 30S ribosomes and inhibit bacterial protein synthesis
Description : The function of a repressor protein in an operon system is to prevent synthesis by binding to (A) The ribosome (B) A specific region of the operon preventing transcription of structural genes (C) The RNA polymerase (D) A specific region of the mRNA preventing translation to protein
Description : Antibiotics will not work against _____ diseases because they lack the structures and metabolic machinery with which antibiotics interfere. a. viral b. bacterial c. fungal d. protozoan
Last Answer : a. viral