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Meselson and Stahl used an isotope to de...

Meselson and Stahl used an isotope to demonstrate semiconservative nature of DNA duplication. Which isotope did they use ?

A

`.^(14)C`

B

`.^(3)H`

C

`.^(32)P`

D

`.^(15)N`

Text Solution

Verified by Experts

The correct Answer is:
D
`**" "`Matthew Meselson and Franklin Stahl performed the following experiment in 1958.
`**" "`They grew E. coli in a medium containing `.^(15)NH_(4)Cl` (`.^(15)N` is the heavy isotope of nitrogen) as the only nitrogen source for many generations.
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Knowledge Check

  • Who was/were suggests the semiconservative nature of DNA replication?

    A
    Khorana
    B
    Watson
    C
    Crick
    D
    Meselson and Stahl

  • In the experiment conducted by Meselson and Stahl using heavy 15N to prove semi-conservative nature of DNA, the first generation was found to have

    A
    `.^(15)N` only
    B
    `.^(15)N` only
    C
    `.^(14)N` and `.^(15)N`
    D
    None of these

  • The isotopes used by Her

    A
    `.^(59)"Iron" and .^(45)"Nitrogen"`
    B
    `.^(131)"Iodien" and .^(45)"Calcium"`
    C
    `.^(15)"Nitrogen" and .^(14)"Carbon"`
    D
    `.^(35)"Sulphur" and .^(32)"Phosphorus"`

    • Similar Questions

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    How Meselson and Stahl explained the concept of Semiconservative Replication of DNA experimentally?

    Process used by Meselson and Stahl for studying semiconservative replication of DNA was

    Isotopes used for proving semiconservative replication of DNA were :

    Meselson Stahl experiment on semiconservative replication demonstrate that :

    Semiconservative replication of DNA was first demonstrated in

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