Question

what is Dna.
who had discovered it​

Answer 1

Answer:

Deoxyribonucleic acid is a molecule composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid are nucleic acids.

Many people believe that American biologist James Watson and English physicist Francis Crick discovered DNA in the 1950s. In reality, this is not the case. Rather, DNA was first identified in the late 1860s by Swiss chemist Friedrich Miescher.

DNA was discovered in 1869 by Swiss researcher Friedrich Miescher, who was originally trying to study the composition of lymphoid cells (white blood cells). Instead, he isolated a new molecule he called nuclein (DNA with associated proteins) from a cell nucleus

Explanation:

hope it helps

Answer 2

Explanation:

Francis Crick discovered DNA in the 1950s.डिऑक्सिरायबो न्यूक्लेइक आम्ल हे मानवी शरीरातील प्रत्येक पेशीमध्ये असलेया केंद्रबिंदूमध्ये असलेले एक प्रकारचे आम्ल होय.