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Actinomycetes & Non Sporing Anaero.
Algae
Antibody
Antigen Antibody Reaction
Antimicrobial Chemotherapeutic Agent
Bacillus
Bacteria
Bacteria Morphology
Bacteriophages
Brucella
Cell Cultivations
Cell Cultures and Characteristics
Clostridium
DNA Replication
DNA Sequencing, Mutation and Repair
Energy Release and Conservation
Enzyme Reaction
Enzymes Regulation
Fish and Sea Foods
Food Illness
Fruits and Vegetables
Fungi - Molds and Yeasts
Growth and Nutrition of Bacteria
Heated Canned Foods
Hepatitis Viruses
Identification of Bacteria
Immune Response
Immune System
Industrially Useful Microbial Processes
Micro Organisms
Microbes in Aquatic Environment
Microbial Genetics
Microbial Metabolism
Microbial Recomb. & Gene Transfer
Microbiology of Foods
Microbiology of Soils
Microbiology of Waste Water
Microorganisms and Disease
Milk and Milk Products
Miscellaneous Foods
Mycobacterium
Nucleic Acid Structure
Physical and Chemical Agents
Polymerase Chain Reaction
Poultry, Egg and Meat
Poxviridae and Picronaviridae
Protozon
Pseudomonas and Burkholderia
Retroviridae
Rhabdoviridae, Caliciviridae & Astrovi.
Sauerkraut and Pickles
Spirochacter and Enterobacteriaceac
Staplylococcus
Streptococcus
Translation and Regulation
Vibrio, Aeromonas and Plesiomonas
Viruses
Viruses From Animal and Plants
Viruses in Eukaryotes
Wine and Beer
Home⇒ Medical Science⇒ Microbiology⇒ Transcription
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q1 ⇒ Which of the following statement defines a replicon? A DNA molecule that is able to replicate and be maintained [other wrong options] [Discuss in forum] ![]() ![]() A DNA molecule that encodes pili for conjugation A DNA template which is used in transcription The enzyme responsible for transposition |
Q2 ⇒ A level of regulation, demonstrated by the termination of transcription if tryptophan is abundant, by the tryptophan operon in E.coli cells is called attenuation [other wrong options] [Discuss in forum] ![]() ![]() activation corepression desiccation |
Q3 ⇒ The sigma factor recognizes the promotor [other wrong options] [Discuss in forum] ![]() ![]() is responsible for recognizing the termination sequence provides the catalytic function of cleaving off pyrophosphates during mRNA synthesis accomplishes DNA restriction |
Q4 ⇒ A specific __________ factor helps RNA polymerase bind to late promoters and transcribe late genes. sigma [other wrong options] [Discuss in forum] ![]() ![]() beta delta gamma |
Q5 ⇒ The location of first hexameric sequence typically found in pro-karyotic promoters is approximately 35 bases upstream of the transcription start site [other wrong options] [Discuss in forum] ![]() ![]() at the transcription start site approximately 10 bases upstream of the transcription start site approximately 25 bases upstream of the transcription start site |
Q6 ⇒ Which of the following proteins first binds to TATA box during transcription? TF II D [other wrong options] [Discuss in forum] ![]() ![]() TF II A TF II B RNA polymerase |
Q7 ⇒ Which of the following component of RNA polymerase facilitates the recognition of promoter sequences? s subunit [other wrong options] [Discuss in forum] ![]() ![]() a subunit b subunit c subunit |
Q8 ⇒ Which of these catalyzes the synthesis of RNA from a DNA template? RNA polymerase [other wrong options] [Discuss in forum] ![]() ![]() DNA gyrase DNA ligase DNA polymerase |
Q9 ⇒ Which of the following enzyme is used for synthesis of RNA under the direction of DNA? RNA polymerase [other wrong options] [Discuss in forum] ![]() ![]() DNA ligase DNA polymerase RNA ligase |
Q10 ⇒ Recognition/binding site of RNA polymerase is called promoter [other wrong options] [Discuss in forum] ![]() ![]() receptor facilitator terminator |
Q11 ⇒ What is the usual sequence of a Pribnow box? TATAAT [other wrong options] [Discuss in forum] ![]() ![]() AUAUA UUUUU TTGACA |
Q12 ⇒ Which of the following enzyme(s) is/are required for lactose fermentation? All of these [other wrong options] [Discuss in forum] ![]() ![]() Transacetylase β-galactosidase Galactoside permease |
Q13 ⇒ Which of the following is a product of transcription? all of these [other wrong options] [Discuss in forum] ![]() ![]() mRNA tRNA rRNA |
Q14 ⇒ The components found in all prokaryotic transcription terminators is a hairpin structure [other wrong options] [Discuss in forum] ![]() ![]() a poly-U region Rho factor none of these |
Q15 ⇒ Which eukaryotic RNA polymerase makes tRNA's? RNA polymerase 3 [other wrong options] [Discuss in forum] ![]() ![]() RNA polymerase 1 RNA polymerase 2 Any of these |
Q16 ⇒ An mRNA transcript of a gene contains all of these [other wrong options] [Discuss in forum] ![]() ![]() a start codon a stop codon a terminator |
Q17 ⇒ The synthesis of mRNA based on a DNA template is called transcription [other wrong options] [Discuss in forum] ![]() ![]() DNA replication translation DNA restriction |