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Answer:
johann Friedrich
Explanation:
The molecule now known as DNA was first identified in the 1860s by a Swiss chemist called Johann Friedrich Miescher. Johann set out to research the key components of white blood cells?, part of our body’s immune system. The main source of these cells? was pus-coated bandages collected from a nearby medical clinic.
Answer:
Concept 19 The DNA molecule is shaped like a twisted ladder. James Watson and Francis Crick solved the structure of DNA. Other scientists, like Rosalind Franklin and Maurice Wilkins, also contributed to this discovery.
Explanation:
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