What did Watson and Crick deduce about the three-dimensional structure of DNA?

A) There is a repeating pattern every 3.4 nm and every 0.34 nm.
B) It is a double-stranded helix.
C) It contains a lot of phosphorus.
D) It is a large molecule.
E) It consists of supercoiled chromatin.


B

Biology & Microbiology

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In 1880, Walther Flemming identified ________, threadlike bodies seen in dividing cells

Fill in the blank with correct word.

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Which of the following recombinant therapeutic proteins, produced in bacterial cells, is used to treat blood cancers?

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