DNA double helix. Illustration of a DNA (deoxyribonucleic acid) double helix. The normal helical structure is formed when the genetic coding components (called nucleotide bases) pair together to form horizontal bonds (transparent). The angles of the bonds of the nucleotide bases force the DNA backbones to twist around themselves.
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Creative#:
TOP22298863
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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N/A
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