02-02-2021
Biology

contestada

DNA is called a DOUBLE helix. Why would the structure of DNA
be referred to as double? (hint: number of strands, or sides?)
PLEASE HELP

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estherruiz5610 estherruiz5610

02-02-2021

Answer:

The model is called a double helix because two long strands twist around each other like a twisted ladder. The rails of the ladder are made of alternating sugar and phosphate molecules. The steps of the ladder are made of two bases joined together with either two or three weak hydrogen bonds.

Explanation:

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