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While analysing the DNA of an organism a...

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

it is a double stranded circular DNA

B

it is single stranded DNA

C

it is a double stranded linear DNA

D

no conclusion can be drawn

Text Solution

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The correct Answer is:
b
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Total number of nucleotide sequences of DNA that codes for a hormone is 1530. The proportion of different bases in the sequence is found to be Adenine = 34%, Guanine = 19%, Cytosine = 23%, Thymine = 19%. Applying Chargaff’s rule, what conclusion can be drawn?

While analysing the DNA of an organism, different proportions of bases were obtained as given below Adenine = 28% Guanine = 22% Thymine = 28% Cytosine = 22% . From the above informations it can be generalised that

Knowledge Check

  • While analsying 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 to Chargraff s rule it can be concluded that

    A
    it is a double stranded circular DNA
    B
    it is single stranded DNA
    C
    it is a double stranded linear DNA
    D
    no conclusion can be drawn

  • While analyzing the DNA of an organism, it was found that adenine proportion was 30% what. Would be the proportion of cytosine in its DNA ?

    A
    `20%`
    B
    `30%`
    C
    `40%`
    D
    `25%`

  • In DNA of certain organisms, guanine constitutes 20% of the bases. What percentage of the bases would be adenine

    A
    0
    B
    0.1
    C
    0.2
    D
    0.3

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    " A DNA has "5000" base pair,if the amount of adenine is "10%" then find out the total number of nucleotides of cytosine Present."

    A DNA has "5000" base pair if the amount of adenine is 10% then find out the total number of nucleotides of cytosine Present

    In 3.2 Kbp long piece of DNA, 820 adenine bases were found. What would be the number of cytosine bases ?

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