Meselson Stahl experiment on semi- conservative replication demonstrates that
- 50% radioactive, 50% non-radioactive
- 50% non-radioactive
- 50% radioactive
- None of the above
The Correct Option is A
Solution and Explanation
Top Questions on DNA Replication
If adenine constitutes 30% of the bases in a DNA molecule, what percentage of the bases is guanine?
- MHT CET - 2024
- Biology
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- Statement 1: Avery, McLeod, and McCarty discovered the semi-conservative nature of DNA.
Statement 2: Meselson and Stahl used \( \text{E. coli} \) to demonstrate the semi-conservative nature of DNA.- MHT CET - 2024
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- NEET (UG) - 2024
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- Match List I with List II
List I List II A Frederick Griffith I Genetic code B Francois Jacob & Jacque II Semi-conservative mode of DNA replication C Har Gobind Khoran III Transformation D Meselson & Stahl IV Lac operon
Choose the correct answer from the options given below:- NEET (UG) - 2024
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- Match List-I with List-II:
List-1 (Scientists) List-II (Contribution) A Maxam-Gilbert I DNA polymerase isolation B Stanley Cohen II DNA sequencing C Kornberg III Genetic code D Har Gobind Khorana IV DNA cloning Choose the correct answer from the options given below
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Questions Asked in NEET exam
- A chemical reaction proceeds into the following steps Step I,$\hspace15mm 2A \rightleftharpoons X$ fast Step II,$\hspace10mm X + B \rightleftharpoons Y$ slow Step III,$\hspace10mm Y + B \rightleftharpoons $ Product fast The law for the overall reaction is
- Delhi UMET/DPMT - 2011
- Chemical Kinetics
- A solution is $0.1 M$ with respect to $Ag ^{+}, Ca ^{2+}, Mg ^{2+}$ and $Al ^{3+}$, which will precipitate at lowest concentration of $\left[ PO _{4}^{3-}\right]$ when solution of $Na _{3} PO _{4}$ is added?
- Delhi UMET/DPMT - 2011
- Equilibrium
- How many $ 1\,\mu F $ capacitors must be connected in parallel to store a charge of $1\, C$ with a potential of $110\, V$ across the capacitors?
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- electrostatic potential and capacitance
- Most stable carbocation is
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- Given a gas phase reaction, $\hspace10mm 2A(g)+B(g) \rightleftharpoons C(g)+D(g)$ Which one of the following changes will affect the value of $K_c$?
- Delhi UMET/DPMT - 2011
- Equilibrium
Concepts Used:
DNA Replication
The process by which the genome’s DNA is copied in cells is called DNA Replication. It must first copy (or replicate) its entire genome before cell division so that each resulting daughter cell ends up with its own complete genome.
It is the natural cycle of creating two indistinguishable imitations of DNA from one unique DNA molecule. DNA replication happens to take all things together living creatures going about as the most core part for organic legacy. This is important for cell division during the development and fixation of harmed tissues, while it likewise guarantees that every one of the new cells gets its duplicate of the DNA. The phone has the unmistakable property of division, which makes replication of DNA fundamental.
The parental DNA stays together, and the recently shaped daughter strands are together in conservative replication. The semi-conservative strategy recommends that every one of the two parental DNA strands goes about as a format for new DNA to be integrated; after that each two-fold abandoned DNA incorporates one "old" strand (parental) and one "new" strand.