'Gene protein trait' diaporamas de présentation

Mrs. Stewart Biology I Honors

386 views • 36 slides

Mrs. Stewart Biology I Honors

524 views • 36 slides

DNA Structure

DNA Structure. The Size of DNA. If the DNA of one cell is stretched out, it makes a 7 ft. long string. There are about 5 trillion cells in the human body. If you connected all the DNA together, it would be long enough that I t would take light over 10 hours to travel its length.

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DNA Structure

DNA Structure. DNA Structure. DNA consists of two molecules that are arranged into a ladder-like structure called a Double Helix . A molecule of DNA is made up of millions of tiny subunits called Nucleotides . Each nucleotide consists of: Phosphate group Pentose sugar Nitrogenous base.

524 views • 13 slides