File:U4u6putativebasepairing.jpg
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Size of this preview: 800 × 521 pixels. Other resolutions: 320 × 208 pixels | 640 × 417 pixels | 1,024 × 667 pixels | 1,280 × 834 pixels | 2,180 × 1,420 pixels.
Original file (2,180 × 1,420 pixels, file size: 412 KB, MIME type: image/jpeg)