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When the negatively charged DNA combines with the positively charged histone octamer, which of the following is formed?
How many bp are present in a typical nucleosome?
What are the set of positively charged basic proteins called as?
Which of the following ensure stable binding of RNA polymerase at the promoter site?
Which of the following is TRUE for the RNA polymerase activity?
Which of the following transcription termination technique has RNA dependent ATPase activity?
Name the one intrinsic terminator of transcription.
Mark the one, which is NOT the transcription inhibitor in eukaryotes.
How many base pairs of DNA is transcribed by RNA polymerase in one go?
Which of the following is used to describe the time taken by RNA polymerase to leave the promoter?
Name the sigma factor which is used for promoter recognition?
What is the work of the sigma factor in transcription?
Who discovered RNA polymerase?
The process of formation of RNA is known as___________
Name the site where upstream sequences located?
Mark the statement which is INCORRECT about the transcription unit?
Polytene chromosomes are joined at a point called:
Which of the following enzymes are used to transcript a portion of the DNA into mRNA?
What will be the next step in the process of transcription? DNA -> RNA ->?
Which of the following is not a part of the nucleotide?
Which is the correct complementary strand for AGAATTCGC?
Which among the following is the exact ratio of guanine to cytosine in a DNA double helical structure?
Who considered DNA as a “Nuclein”?
What is chemical name for thymine known as?
Through which among the following linkages are the two nucleotides connected through the 3’-5’ end?
By which of the following bonds, a nitrogenous base is linked to the pentose sugar?
How many numbers of nucleotides are present in Lambda phage?
How many base pairs are present in Escherichia coli?
Which of the following is not a function of RNA?
Who was the first person to analyse factors?
Choose the incorrect statement about an RNA:
The length of DNA having 23 base pairs is
Chromatin is composed of
What are the viruses that affect bacteria known as?
Who proved that DNA was indeed the genetic material through experiments?
Which of the following is responsible for transforming the R strain into the S strain?
Which of the following is responsible for the inhibition of transformation in organisms?
What will be the outcome when R-strain is injected into the mice?
Which was considered to be as the genetic material prior to the works done by Oswald Avery, Colin MacLeod and Maclyn McCarty?
What will be the state of the mouse that has been injected with the heat killed S-strain from the Staphylococcus pneumoniae?
Which of the following is the wrong sequential order, when the S or the R strain of the bacterium is injected into the mice?
When Streptococcus pneumoniae were cultured in a culture plate by Frederick Griffith, which among the following were produced?
Which of the following bacterium is responsible for causing pneumonia?
Which of the following is not a function of RNA?
How many components are present in the basic unit of DNA?
Which of the following is not a correct statement with respect to DNA?
How many types of nucleic acids are present in the living systems?
What is the full form of DNA?
In the case of breeding for resistance, if the resistance is governed by polygenes, which method of selection is adopted?
Lampbrush chromosomes are seen in