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Answer: James Watson and Francis Crick
Explanation:
In 1953 James Watson and Francis Crick are responsible for determining the structure of DNA. James and Watson proposed that the DNA is made up of a double polynucleotide chains that are twisted around each other to forming a helical structure. The two DNA chains runs anti-parallel in opposite direction to each other. Like the structure of the ladder.
The answer is James Watson and Francis Crick
Answer:
In a comparison of birds and mammals, the condition of having four limbs is a shared ancestral character
Answer:
2. Depth 3. Number of bubbles
Explanation:
2. Depth
3. Number of bubbles
