The three important features proposed by Watson and Crick are as follows:
- a phosphate group
- a deoxyribose sugar
- a single nitrogen-containing base
<h3>How is the structure of DNA formed?</h3>
DNA is a biological molecule that stores genetic information in living cells.
The structure of these DNA molecule was built and proposed by a duo scientist named James Watson and Francis Crick in the 1950s.
However, they determined three important features of the DNA molecule and are as follows:
- a phosphate group
- a deoxyribose sugar
- a single nitrogen-containing base
Learn more about DNA molecule at: brainly.com/question/264225
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Answer:
The answer is of option C.
Answer: Aristotle and Ptolemy had both assumed each planet is attached to a single sphere, but geometers and astronomers could employ a number of such spheres to generate the observed motions of the planets.
Explanation:
Is say the answer will be B, because today giraffes have long necks to reach they food, back then their food must have been closer to the ground, so the long neck would have been uncalled for. Please give me a brainliest thing I need 2 more.