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