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They have an unusual T-shaped morphology
The actual celestial cue took three millennia to confirm
The full receptor pharmacology is more complicated
gene regulation
same 18 mm size
cytosine - guanine necklace | silver Dan They have an unusual T-shapedCytosine guanine necklace silver The C G base pair, in 925 sterling silver at 33 mm. Three hydrogen bonds rather than the two of A T, which is why GC rich regions of DNA require more energy to melt and why bacterial genomes vary in GC content as a signature of their evolutionary history. The pendant carries that asymmetry. The Science Behind C G Base Pairing Cytosine pairs with guanine through three hydrogen bonds, while adenine pairs with thymine
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