<span>Watson and Crick determined the base pairing by using the new information to construct a new double-stranded helix model with the nitrogen bases paired A to T and C to G in the center. This base pairing immediately suggested to Crick that one side of the molecule could serve as a template to exactly replicate DNA sequences to pass on genetic information during cell reproduction. This second, successful model was unveiled in February 1951.</span>
They are called neurotransmitters
<span>D Volcanic Eruptions- Volcanic out gassing to rain down to the surface and fill in the basins forming the world’s oceans.</span>
They lay eggs............
