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प्रश्न
Retroviruses do not follow central Dogma. Comment.
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उत्तर
Genetic material of retrovirus is RNA. At the time of synthesis of protein, RNA is ‘reverse transcribed’ to its complementary DNA first, which is opposite to the central dogma. Hence, retrovirus are not known to follow central dogma.
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संबंधित प्रश्न
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
Which property of DNA double helix led Watson and Crick to hypothesise semi-conservative mode of DNA replication? Explain.
If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it?
In a DNA strand the nucleotides are linked together by ______.
The fact that a purine base always paired through hydrogen bonds with a pyrimidine base leads to, in the DNA double helix ______.
Who amongst the following scientists had no contribution in the development of the double helix model for the structure of DNA?
While analysing the DNA of an organism a total number of 5386 nucleotides were found out of which the proportion of different bases were: Adenine = 29%, Guanine = 17%, Cytosine = 32%, Thymine = 17%. Considering the Chargaff’s rule it can be concluded that ______.
What is the nature of the strands of the DNA duplex?
Protein helping in opening of DNA double helix in front of replications fork is ______.
How far is each base pair from the next one in DNA double helix model?
Synthesis of DNA from RNA is explained by ______.
By which bonds the purine and pyrimidine pairs of Complementary Strands of DNA held together?
DNA is made of two chains that twist about one another in the shape of a ______.
______ occurs in RNA instead of the nitrogenous base thymine found in DNA.
Which of the following is a structural subunit of DNA?
A peptide chain assumes secondary structure through the formation of ______.
In the polynucleotide chain of DNA, a nitrogenous base is linked to the -OH of ______
Polymerase chain reaction (PCR) amplifies DNA following the equation.
