English
Karnataka Board PUCPUC Science 2nd PUC Class 12

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%.

Advertisements
Advertisements

Question

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 ______.

Options

  • It is single stranded DNA

  • it is a double stranded circular DNA

  • It is a double stranded linear DNA

  • No conclusion can be drawn

MCQ
Fill in the Blanks
Advertisements

Solution

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 It is single stranded DNA.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Molecular Basis of Inheritance - MULTIPLE CHOICE QUESTIONS [Page 39]

APPEARS IN

NCERT Exemplar Biology Exemplar [English] Class 12
Chapter 6 Molecular Basis of Inheritance
MULTIPLE CHOICE QUESTIONS | Q 20. | Page 39

RELATED QUESTIONS

Which property of DNA double helix led Watson and Crick to hypothesise semi-conservative mode of DNA replication? Explain.


Who amongst the following scientists had no contribution in the development of the double helix model for the structure of DNA?


How far is each base pair from the next one in DNA double helix model?


By which bonds the purine and pyrimidine pairs of Complementary Strands of DNA held together?


______ occurs in RNA instead of the nitrogenous base thymine found in 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 ______


Retroviruses do not follow central Dogma. Comment.


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?


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


The phosphate group in a nucleotide is attached to which carbon of the pentose sugar?


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


In a DNA double helix, what is the spatial relationship between the two polynucleotide strands?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×