मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

The fact that a purine base always paired through hydrogen bonds with a pyrimidine base leads to, in the DNA double helix ______.

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प्रश्न

The fact that a purine base always paired through hydrogen bonds with a pyrimidine base leads to, in the DNA double helix ______.

पर्याय

  • uniform width throughout DNA

  • uniform length in all DNA

  • the semiconservative nature

  • the antiparallel nature

MCQ
रिकाम्या जागा भरा
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उत्तर

The fact that a purine base always paired through hydrogen bonds with a pyrimidine base leads to, in the DNA double helix uniform width throughout DNA.

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पाठ 6: Molecular Basis of Inheritance - MULTIPLE CHOICE QUESTIONS [पृष्ठ ३६]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
पाठ 6 Molecular Basis of Inheritance
MULTIPLE CHOICE QUESTIONS | Q 4. | पृष्ठ ३६

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.


In some viruses, RNA is present instead of DNA indicating that ______.


Both deoxyribose and ribose belong to a class of sugars called ______.


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 ______.


A peptide chain assumes secondary structure through the formation of ______.


Which of the following is a purine?


Retroviruses do not follow central Dogma. Comment.


What is the smallest part of a DNA molecule that can be changed by a point mutation?


Polymerase chain reaction (PCR) amplifies DNA following the equation.


A nucleotide is the monomer unit of a nucleic acid. Which of the following correctly identifies the three components of a nucleotide?


Which of the following nitrogenous bases is classified as a purine with a double-ring structure?


What structural difference exists between the pentose sugar found in DNA and the pentose sugar found in RNA?


Which end of a polynucleotide chain contains a free phosphate group?


The backbone of a polynucleotide chain is formed by which components?


What structural difference exists between the pentose sugar found in DNA and the pentose sugar found in RNA?


Why is the name 'deoxyribonucleic acid' appropriate for DNA?


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