Question

Give Discoveries Related to Structure of DNA.

Answer 1

Here is the Answer!

The Major Discovers are:

(i)Friedrich Meischer in 1869, first identified DNA as an acidic substance present in the nucleus and named it as ‘nuclein’.

(ii)James Watson and Francis Crick, proposed a very simple double helix model for the structure of DNA in 1953 based on X-ray diffraction data.

iii)Erwin Chargaff proposed that for a double-stranded DNA, the ratios between adenine and thymine and guanine and cytosine are constant and equals to one.

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Answer 2

Explanation:

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the unequal proof that DNA is a genetic material came from the experiment of Alpha and Martha chase 1952 they worked with virus that infect bacteria called bacteriophages

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