Nucleotide arrangement in DNA can be seen by:
Correct answer: A. X-ray crystallography
- A. X-ray crystallography
- B. Electron microscope
- C. Ultracentrifuge
- D. Light microscope
Explanation
Nucleotide arrangement in DNA can be seen by Xray crystallography. Watson and Crick, in 1953, proposed the double-helical model for DNA. They were awarded the Nobel Prize in 1962. This model was developed by them based on several previous observations, including the X ray reflection studies of Franklin and Gosling in 1953.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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